Meet the team
Creating a Community of Curiosity
We are a group of data enthusiasts from different companies who assemble the organizing team. hayaData conference, created out of our love for data from all sources, and our desire to gather the Israeli data community in one place, to share insights, learn about new tools, and exchange best practices for big data.
Liran Yogev
Co-founder and CTO, Lakeway
Liran Yogev has been a member of the big data community for over 10 years. He is currently the CTO of Lakeway, a startup in the data infrastructure domain. Before that, he spent several years at Yotpo and ZipRecruiter developing innovative data platforms, ML products, and complex data-driven backend applications. Liran is passionate about solving complex problems and creating impactful infrastructure that increases the velocity of the organizations he works for. In addition to his work, Liran co-hosts “The Data Swamp”, a popular Hebrew podcast on all things data, and its new English version, “Data Builders”, both with his good friend and fellow data expert, Doron Porat.
Liran Yogev has been a member of the big data community for over 10 years. He is currently the CTO of Lakeway, a startup in the data infrastructure domain. Before that, he spent several years at Yotpo and ZipRecruiter developing innovative data platforms, ML products, and complex data-driven backend applications. Liran is passionate about solving complex problems and creating impactful infrastructure that increases the velocity of the organizations he works for. In addition to his work, Liran co-hosts “The Data Swamp”, a popular Hebrew podcast on all things data, and its new English version, “Data Builders”, both with his good friend and fellow data expert, Doron Porat.
Tal Laron
Data Science Team Manager, Palo Alto Networks
Tal Laron is a data science manager at Palo Alto Networks with deep experience in machine learning, cybersecurity, and fraud prevention. At her current role, she manages a team focused on building robust, high-precision models to detect malicious activity at scale. Since the beginning of Hayadata Conference, Tal has played an active role in shaping its content, curating impactful sessions that spotlight innovation and real-world value in the data science community.
Tal Laron is a data science manager at Palo Alto Networks with deep experience in machine learning, cybersecurity, and fraud prevention. At her current role, she manages a team focused on building robust, high-precision models to detect malicious activity at scale. Since the beginning of Hayadata Conference, Tal has played an active role in shaping its content, curating impactful sessions that spotlight innovation and real-world value in the data science community.
Shani Fachler
Data Science Consultant, Accenture
Shani Fachler is an Industrial Engineer from Ben-Gurion University with an MBA (major in Big Data) from Tel Aviv University. She has been working as an Analyst and Team Lead in the last 7 years in technology companies.
Shani Fachler is an Industrial Engineer from Ben-Gurion University with an MBA (major in Big Data) from Tel Aviv University. She has been working as an Analyst and Team Lead in the last 7 years in technology companies.
Lior Winner
Data Engineering Team Lead & Head of Data Guild, Riskified
Lior is the Head of Riskified's Data Guild and leads the Data Platform team. He played a key role in shaping Riskified's modern data architecture. Today, his team is responsible for building and maintaining the company's Data Platform, which powers data processing across batch and real-time workloads.
Lior is the Head of Riskified's Data Guild and leads the Data Platform team. He played a key role in shaping Riskified's modern data architecture. Today, his team is responsible for building and maintaining the company's Data Platform, which powers data processing across batch and real-time workloads.
Ben Harel
Ph.D. Senior Data Scientists, Nvidia
Ben Harel, Ph.D., is a Senior Data Scientist at Nvidia, where he works on AI models for test time reduction. Previously, Ben was at Riskified, focusing on models for identity resolution and abuser detection as part of the Policy Protection Data Science team. Before that, he conducted Ph.D. research on the development of a robotic sweet pepper harvester. Ben enjoys cooking, surfing, and organizing things—from friend events to optimizing closet order.
Ben Harel, Ph.D., is a Senior Data Scientist at Nvidia, where he works on AI models for test time reduction. Previously, Ben was at Riskified, focusing on models for identity resolution and abuser detection as part of the Policy Protection Data Science team. Before that, he conducted Ph.D. research on the development of a robotic sweet pepper harvester. Ben enjoys cooking, surfing, and organizing things—from friend events to optimizing closet order.
Mor Hananovitz
Data Science and Engineering Team Lead, LSports
Data Science and Engineering Team Lead @ LSports, Lecturer at the Data Analytics program @ Hebrew University and WiDS Community manager.
Data Science and Engineering Team Lead @ LSports, Lecturer at the Data Analytics program @ Hebrew University and WiDS Community manager.
Omer Biber
Head of BI, Superplay
Currently the Head of BI at SuperPlay, Omer brings over a decade of experience in data roles across gaming, fintech, and SaaS industries. Beyond his role at SuperPlay, he teaches at Upscale Analytics data analysis program, mentors Israeli data startups, and provides lectures and consultations. In 2023, he won the Tableau IL Iron Viz contest.
Currently the Head of BI at SuperPlay, Omer brings over a decade of experience in data roles across gaming, fintech, and SaaS industries. Beyond his role at SuperPlay, he teaches at Upscale Analytics data analysis program, mentors Israeli data startups, and provides lectures and consultations. In 2023, he won the Tableau IL Iron Viz contest.
Inna Weiner
VP Product, Appsflyer
Inna Weiner is VP of Product at AppsFlyer, where she leads the company’s data platform, focused on turning data into customer value while enabling internal innovation and developer velocity. She is a senior technical and product leader with 20 years of global experience, specializing in big data, privacy, insider risk, and policy compliance. At Google, she led engineering teams across consumer and enterprise products, including the Google Search Analytics Data Warehouse, which she scaled significantly during her six years in Mountain View. She later led engineering for Google Cloud's Database Migration Service (DMS), overseeing distributed teams in Israel, the US, and India.
Inna Weiner is VP of Product at AppsFlyer, where she leads the company’s data platform, focused on turning data into customer value while enabling internal innovation and developer velocity. She is a senior technical and product leader with 20 years of global experience, specializing in big data, privacy, insider risk, and policy compliance. At Google, she led engineering teams across consumer and enterprise products, including the Google Search Analytics Data Warehouse, which she scaled significantly during her six years in Mountain View. She later led engineering for Google Cloud's Database Migration Service (DMS), overseeing distributed teams in Israel, the US, and India.
David Ostrovsky
Software Engineer, Meta
David is a software engineer with over 25 years of industry experience, speaker, trainer, and co-author of “Pro Couchbase Server”. He specializes in big data systems and large-scale distributed architecture.
David is a software engineer with over 25 years of industry experience, speaker, trainer, and co-author of “Pro Couchbase Server”. He specializes in big data systems and large-scale distributed architecture.
Tal Peretz
Data Platform Engineer, Riskified
Tal Peretz is a Data Engineer at Riskified. His expertise lies in developing data pipelines, building scalable infrastructure, data science and implementing data quality frameworks, enabling Riskified to make data-driven decisions and prevent fraud effectively. As a Harry Potter and data engineering fan, Tal combines his love for technology and entertainment, appreciates the magic of storytelling, and strives to contribute to the data engineering field.
Tal Peretz is a Data Engineer at Riskified. His expertise lies in developing data pipelines, building scalable infrastructure, data science and implementing data quality frameworks, enabling Riskified to make data-driven decisions and prevent fraud effectively. As a Harry Potter and data engineering fan, Tal combines his love for technology and entertainment, appreciates the magic of storytelling, and strives to contribute to the data engineering field.
Tali Fulman
Data Consultant
Tali is a data expert with over 13 years of experience, having held senior positions at leading tech companies including Wix (10 years, Director of Data) and Simply (2 years, Head of Data). Currently, she operates as an independent data strategy consultant, guiding organizations in building business-aligned data strategies, as well as providing personal mentoring to data professionals at all career stages. As a committed advocate for the data community in Israel, Tali co-founded ""Data Queens,"" a community of nearly 2,000 women in data fields. She teaches at Hebrew University and Masterschool, and leads workshops on data storytelling and stakeholder communication to help maximize the business potential of data.
Tali is a data expert with over 13 years of experience, having held senior positions at leading tech companies including Wix (10 years, Director of Data) and Simply (2 years, Head of Data). Currently, she operates as an independent data strategy consultant, guiding organizations in building business-aligned data strategies, as well as providing personal mentoring to data professionals at all career stages. As a committed advocate for the data community in Israel, Tali co-founded ""Data Queens,"" a community of nearly 2,000 women in data fields. She teaches at Hebrew University and Masterschool, and leads workshops on data storytelling and stakeholder communication to help maximize the business potential of data.
Yulia Stolin
AI Platform Manager, Teads
I am nearly 20 years of experience in the tech industry, architecture, specializing in machine learning, data processing, and scalable systems. For the past 8.5 years, I have been working at Outbrain, where I focus on building and optimizing ML platforms, recommendation systems, and high-performance infrastructure. Beyond work, I am passionate about technology, problem-solving, and innovation. I enjoy playing tennis, hiking, and traveling, always looking for new experiences and challenges. Most importantly, I am a proud father of three sons, balancing my professional and personal life with curiosity and enthusiasm.
I am nearly 20 years of experience in the tech industry, architecture, specializing in machine learning, data processing, and scalable systems. For the past 8.5 years, I have been working at Outbrain, where I focus on building and optimizing ML platforms, recommendation systems, and high-performance infrastructure. Beyond work, I am passionate about technology, problem-solving, and innovation. I enjoy playing tennis, hiking, and traveling, always looking for new experiences and challenges. Most importantly, I am a proud father of three sons, balancing my professional and personal life with curiosity and enthusiasm.
Tal N. Mizrachi
Data Scientist, Master School
Tal Mizrachi (a.k.a. Analysis Paralysis) is a data scientist, educator, and mentor on a mission to make data science, analytical thinking, and programming more approachable—and more fun than it already is. He loves helping people connect the dots, ask better questions, and build cool stuff with data. When he’s not wrangling datasets or teching Python in TAU, Tal is usually hanging out with his wife Adi, their two daughters, and a very large black dog.
Tal Mizrachi (a.k.a. Analysis Paralysis) is a data scientist, educator, and mentor on a mission to make data science, analytical thinking, and programming more approachable—and more fun than it already is. He loves helping people connect the dots, ask better questions, and build cool stuff with data. When he’s not wrangling datasets or teching Python in TAU, Tal is usually hanging out with his wife Adi, their two daughters, and a very large black dog.
Sivan Milwerger
Head of Data, iRestore
Head of Data with over 13 years of experience in building, leading, and scaling analytics and BI teams. Deeply passionate about product analytics, business insights, A/B testing, and full-stack data infrastructure. Works closely with product, R&D, and business teams to drive meaningful data impact. Co-founder of Data Queens – a leading community for women in data. An active mentor in a variety of data-driven programs and initiatives.
Head of Data with over 13 years of experience in building, leading, and scaling analytics and BI teams. Deeply passionate about product analytics, business insights, A/B testing, and full-stack data infrastructure. Works closely with product, R&D, and business teams to drive meaningful data impact. Co-founder of Data Queens – a leading community for women in data. An active mentor in a variety of data-driven programs and initiatives.
Erez Filosof Timnat
Principal Data Scientist, Shield FC
Erez started his career as a software engineer, working at IDF unit 8200, then Microsoft and Google. Erez then moved to AppsFlyer, where he co-founded and co-led the Data Science group, and transferred the company's business to rely heavily on ML. Erez enjoys providing practical straight-forward solutions to complex problems - in either algorithms, math, data science, or software engineering.
Erez started his career as a software engineer, working at IDF unit 8200, then Microsoft and Google. Erez then moved to AppsFlyer, where he co-founded and co-led the Data Science group, and transferred the company's business to rely heavily on ML. Erez enjoys providing practical straight-forward solutions to complex problems - in either algorithms, math, data science, or software engineering.
Gal Krispel
Data Platform Engineer, Riskified
Gal is a Data Platform Engineer at Riskified with 8 years of experience in Software Engineering, including roles at Fiverr and Check Point. He’s passionate about streaming technologies like Kafka, Flink, and Spark, as well as distributed systems. Gal focuses on turning complex data pipelines into intuitive, self-serve platform interfaces, empowering development teams and democratizing data across the organization. Outside of work, he enjoys traveling to exotic locations with his family and exploring new cuisines.
Gal is a Data Platform Engineer at Riskified with 8 years of experience in Software Engineering, including roles at Fiverr and Check Point. He’s passionate about streaming technologies like Kafka, Flink, and Spark, as well as distributed systems. Gal focuses on turning complex data pipelines into intuitive, self-serve platform interfaces, empowering development teams and democratizing data across the organization. Outside of work, he enjoys traveling to exotic locations with his family and exploring new cuisines.
Dafna Frank
Director of Data Engineering
Dafna holds B.Sc and M.Sc degrees in Computer Science from the Technion. With 10 years as a Software Developer at Microsoft and having led the Data Engineering Group at Outbrain, she is a seasoned Director of Engineering expert in managing large-scale data platforms and high-performing teams. Dafna is committed to mentoring youth, particularly young women, in the hi-tech ecosystem.
Dafna holds B.Sc and M.Sc degrees in Computer Science from the Technion. With 10 years as a Software Developer at Microsoft and having led the Data Engineering Group at Outbrain, she is a seasoned Director of Engineering expert in managing large-scale data platforms and high-performing teams. Dafna is committed to mentoring youth, particularly young women, in the hi-tech ecosystem.
Shahar Caspi
Data Engineer, Riskified
Shahar is a Data Engineer with 7 years of expertise in the data field. Throughout her career, she has gained expertise in designing and implementing data solutions to support business decision-making and analysis. She has a strong understanding of data modeling, ETL, and data warehousing principles and has a track record of delivering successful projects for clients in various industries. She is passionate about innovation, exploring new features, and efficiency. Outside of work, she finds joy in hiking, embracing the belief, “Shoot for the moon. Even if you miss, you'll land among the stars”.
Shahar is a Data Engineer with 7 years of expertise in the data field. Throughout her career, she has gained expertise in designing and implementing data solutions to support business decision-making and analysis. She has a strong understanding of data modeling, ETL, and data warehousing principles and has a track record of delivering successful projects for clients in various industries. She is passionate about innovation, exploring new features, and efficiency. Outside of work, she finds joy in hiking, embracing the belief, “Shoot for the moon. Even if you miss, you'll land among the stars”.
Hen Ben-Hemo
Data Platform Architect, Riskified
Hen is a Data Platform Architect and Spark Advocate at Riskified, where he is leading the next-generation data platform architecture. With a career rich in experience tackling scale and data challenges over the last decade, Hen has skillfully embedded data technologies into the fabric of Riskified’s innovative data solutions. His passion for leveraging cutting-edge technologies is matched by his commitment to the community, where he is dedicated to sharing knowledge and fostering creative problem-solving. Outside of his professional endeavors, Hen is a flight simulator amateur and a food enthusiast, reveling in the joy of traveling with his family.
Hen is a Data Platform Architect and Spark Advocate at Riskified, where he is leading the next-generation data platform architecture. With a career rich in experience tackling scale and data challenges over the last decade, Hen has skillfully embedded data technologies into the fabric of Riskified’s innovative data solutions. His passion for leveraging cutting-edge technologies is matched by his commitment to the community, where he is dedicated to sharing knowledge and fostering creative problem-solving. Outside of his professional endeavors, Hen is a flight simulator amateur and a food enthusiast, reveling in the joy of traveling with his family.
Shai Peretz
SVP Engineering, Riskified
Seasoned technology executive, focused on building great technology teams, emphasis on the culture of excellence, ownership, transparency, and trust driving business impact with social responsibility.
Seasoned technology executive, focused on building great technology teams, emphasis on the culture of excellence, ownership, transparency, and trust driving business impact with social responsibility.
Nicole Ginosar
BI Engineering & Analytics Manager, Atbay
Nicole has over a decade of experience driving significant impact by leading and scaling data initiatives within the tech industry. She holds a Bachelor's degree from Tel Aviv University and a joint MBA in Technology and Entrepreneurship from Tel Aviv University and the University of Michigan. Her background includes strategic consulting at Google, where she advised leadership on data-driven strategies, and deep analytical work at Taboola, extracting key insights from large-scale datasets. At At-Bay, a leading cyber insurance and security company, Nicole established and led their Product Analytics & BI Engineering organizations from scratch. She is passionate about data modeling, building high-performing teams, data products and cultivating a real data driven approach, leveraging technologies like AI. Beyond her professional roles, Nicole co-founded the Data Queens community, a network of over 3,000 women in the data field.
Nicole has over a decade of experience driving significant impact by leading and scaling data initiatives within the tech industry. She holds a Bachelor's degree from Tel Aviv University and a joint MBA in Technology and Entrepreneurship from Tel Aviv University and the University of Michigan. Her background includes strategic consulting at Google, where she advised leadership on data-driven strategies, and deep analytical work at Taboola, extracting key insights from large-scale datasets. At At-Bay, a leading cyber insurance and security company, Nicole established and led their Product Analytics & BI Engineering organizations from scratch. She is passionate about data modeling, building high-performing teams, data products and cultivating a real data driven approach, leveraging technologies like AI. Beyond her professional roles, Nicole co-founded the Data Queens community, a network of over 3,000 women in the data field.
Menachem Geva
ML Platform Manager, Riskified
ML Platform & Data Engineering Manager | Certified Coach passionate about leading people, tech, and data to real results. 30+ years of hands-on experience with Python, SQL, big data, cloud ... – and still learning every day.
ML Platform & Data Engineering Manager | Certified Coach passionate about leading people, tech, and data to real results. 30+ years of hands-on experience with Python, SQL, big data, cloud ... – and still learning every day.
Ori Tal
Developer Relations Manager, Riskified
Ori is the Dev Relation Manager at Riskified. As part of her role, Ori owns the Riskified Tech brand, helps the R&D employees to share their professional knowledge with the tech community, and build their personal brand. She is also responsible for brand content creation and managing internal and external projects, like the hayaData conference. Ori is also a big Harry Potter fan and a professional photographer.
Ori is the Dev Relation Manager at Riskified. As part of her role, Ori owns the Riskified Tech brand, helps the R&D employees to share their professional knowledge with the tech community, and build their personal brand. She is also responsible for brand content creation and managing internal and external projects, like the hayaData conference. Ori is also a big Harry Potter fan and a professional photographer.
Tal Levinger
Agile Program Manager, Riskified
Tal is an Agile Program Manager at Riskified. She is an experienced senior project manager in the agile world, specializing in project execution, transparency, efficiency, and clarity for R&D teams. Tal collaborates with the product team, defines roadmaps, analyzes risks, and works with the CTO on org. KPIs. She is a Certified Scrum Master and SAFe practitioner with strong communication skills. Tal is also passionate about traveling.
Tal is an Agile Program Manager at Riskified. She is an experienced senior project manager in the agile world, specializing in project execution, transparency, efficiency, and clarity for R&D teams. Tal collaborates with the product team, defines roadmaps, analyzes risks, and works with the CTO on org. KPIs. She is a Certified Scrum Master and SAFe practitioner with strong communication skills. Tal is also passionate about traveling.
Nir Alal
Lead Web Developer, Riskified
Nir is Lead Web Developer at Riskified. With over a decade of experience, he spearheads projects from inception to completion, ensuring they align with the company’s objectives and exceed client expectations. Nir’s leadership fosters innovation and maintains the highest standards of quality across all our web development endeavors.
Nir is Lead Web Developer at Riskified. With over a decade of experience, he spearheads projects from inception to completion, ensuring they align with the company’s objectives and exceed client expectations. Nir’s leadership fosters innovation and maintains the highest standards of quality across all our web development endeavors.
Liran Yogev
Co-founder and CTO, Lakeway
Liran Yogev has been a member of the big data community for over 10 years. He is currently the CTO of Lakeway, a startup in the data infrastructure domain. Before that, he spent several years at Yotpo and ZipRecruiter developing innovative data platforms, ML products, and complex data-driven backend applications. Liran is passionate about solving complex problems and creating impactful infrastructure that increases the velocity of the organizations he works for. In addition to his work, Liran co-hosts “The Data Swamp”, a popular Hebrew podcast on all things data, and its new English version, “Data Builders”, both with his good friend and fellow data expert, Doron Porat.
Liran Yogev has been a member of the big data community for over 10 years. He is currently the CTO of Lakeway, a startup in the data infrastructure domain. Before that, he spent several years at Yotpo and ZipRecruiter developing innovative data platforms, ML products, and complex data-driven backend applications. Liran is passionate about solving complex problems and creating impactful infrastructure that increases the velocity of the organizations he works for. In addition to his work, Liran co-hosts “The Data Swamp”, a popular Hebrew podcast on all things data, and its new English version, “Data Builders”, both with his good friend and fellow data expert, Doron Porat.
Tal Laron
Data Science Team Manager, Palo Alto Networks
Tal Laron is a data science manager at Palo Alto Networks with deep experience in machine learning, cybersecurity, and fraud prevention. At her current role, she manages a team focused on building robust, high-precision models to detect malicious activity at scale. Since the beginning of Hayadata Conference, Tal has played an active role in shaping its content, curating impactful sessions that spotlight innovation and real-world value in the data science community.
Tal Laron is a data science manager at Palo Alto Networks with deep experience in machine learning, cybersecurity, and fraud prevention. At her current role, she manages a team focused on building robust, high-precision models to detect malicious activity at scale. Since the beginning of Hayadata Conference, Tal has played an active role in shaping its content, curating impactful sessions that spotlight innovation and real-world value in the data science community.
Shani Fachler
Data Science Consultant, Accenture
Shani Fachler is an Industrial Engineer from Ben-Gurion University with an MBA (major in Big Data) from Tel Aviv University. She has been working as an Analyst and Team Lead in the last 7 years in technology companies.
Shani Fachler is an Industrial Engineer from Ben-Gurion University with an MBA (major in Big Data) from Tel Aviv University. She has been working as an Analyst and Team Lead in the last 7 years in technology companies.
Lior Winner
Data Engineering Team Lead & Head of Data Guild, Riskified
Lior is the Head of Riskified's Data Guild and leads the Data Platform team. He played a key role in shaping Riskified's modern data architecture. Today, his team is responsible for building and maintaining the company's Data Platform, which powers data processing across batch and real-time workloads.
Lior is the Head of Riskified's Data Guild and leads the Data Platform team. He played a key role in shaping Riskified's modern data architecture. Today, his team is responsible for building and maintaining the company's Data Platform, which powers data processing across batch and real-time workloads.
Ben Harel
Ph.D. Senior Data Scientists, Nvidia
Ben Harel, Ph.D., is a Senior Data Scientist at Nvidia, where he works on AI models for test time reduction. Previously, Ben was at Riskified, focusing on models for identity resolution and abuser detection as part of the Policy Protection Data Science team. Before that, he conducted Ph.D. research on the development of a robotic sweet pepper harvester. Ben enjoys cooking, surfing, and organizing things—from friend events to optimizing closet order.
Ben Harel, Ph.D., is a Senior Data Scientist at Nvidia, where he works on AI models for test time reduction. Previously, Ben was at Riskified, focusing on models for identity resolution and abuser detection as part of the Policy Protection Data Science team. Before that, he conducted Ph.D. research on the development of a robotic sweet pepper harvester. Ben enjoys cooking, surfing, and organizing things—from friend events to optimizing closet order.
Mor Hananovitz
Data Science and Engineering Team Lead, LSports
Data Science and Engineering Team Lead @ LSports, Lecturer at the Data Analytics program @ Hebrew University and WiDS Community manager.
Data Science and Engineering Team Lead @ LSports, Lecturer at the Data Analytics program @ Hebrew University and WiDS Community manager.
Omer Biber
Head of BI, Superplay
Currently the Head of BI at SuperPlay, Omer brings over a decade of experience in data roles across gaming, fintech, and SaaS industries. Beyond his role at SuperPlay, he teaches at Upscale Analytics data analysis program, mentors Israeli data startups, and provides lectures and consultations. In 2023, he won the Tableau IL Iron Viz contest.
Currently the Head of BI at SuperPlay, Omer brings over a decade of experience in data roles across gaming, fintech, and SaaS industries. Beyond his role at SuperPlay, he teaches at Upscale Analytics data analysis program, mentors Israeli data startups, and provides lectures and consultations. In 2023, he won the Tableau IL Iron Viz contest.
Inna Weiner
VP Product, Appsflyer
Inna Weiner is VP of Product at AppsFlyer, where she leads the company’s data platform, focused on turning data into customer value while enabling internal innovation and developer velocity. She is a senior technical and product leader with 20 years of global experience, specializing in big data, privacy, insider risk, and policy compliance. At Google, she led engineering teams across consumer and enterprise products, including the Google Search Analytics Data Warehouse, which she scaled significantly during her six years in Mountain View. She later led engineering for Google Cloud's Database Migration Service (DMS), overseeing distributed teams in Israel, the US, and India.
Inna Weiner is VP of Product at AppsFlyer, where she leads the company’s data platform, focused on turning data into customer value while enabling internal innovation and developer velocity. She is a senior technical and product leader with 20 years of global experience, specializing in big data, privacy, insider risk, and policy compliance. At Google, she led engineering teams across consumer and enterprise products, including the Google Search Analytics Data Warehouse, which she scaled significantly during her six years in Mountain View. She later led engineering for Google Cloud's Database Migration Service (DMS), overseeing distributed teams in Israel, the US, and India.
David Ostrovsky
Software Engineer, Meta
David is a software engineer with over 25 years of industry experience, speaker, trainer, and co-author of “Pro Couchbase Server”. He specializes in big data systems and large-scale distributed architecture.
David is a software engineer with over 25 years of industry experience, speaker, trainer, and co-author of “Pro Couchbase Server”. He specializes in big data systems and large-scale distributed architecture.
Tal Peretz
Data Platform Engineer, Riskified
Tal Peretz is a Data Engineer at Riskified. His expertise lies in developing data pipelines, building scalable infrastructure, data science and implementing data quality frameworks, enabling Riskified to make data-driven decisions and prevent fraud effectively. As a Harry Potter and data engineering fan, Tal combines his love for technology and entertainment, appreciates the magic of storytelling, and strives to contribute to the data engineering field.
Tal Peretz is a Data Engineer at Riskified. His expertise lies in developing data pipelines, building scalable infrastructure, data science and implementing data quality frameworks, enabling Riskified to make data-driven decisions and prevent fraud effectively. As a Harry Potter and data engineering fan, Tal combines his love for technology and entertainment, appreciates the magic of storytelling, and strives to contribute to the data engineering field.
Tali Fulman
Data Consultant
Tali is a data expert with over 13 years of experience, having held senior positions at leading tech companies including Wix (10 years, Director of Data) and Simply (2 years, Head of Data). Currently, she operates as an independent data strategy consultant, guiding organizations in building business-aligned data strategies, as well as providing personal mentoring to data professionals at all career stages. As a committed advocate for the data community in Israel, Tali co-founded ""Data Queens,"" a community of nearly 2,000 women in data fields. She teaches at Hebrew University and Masterschool, and leads workshops on data storytelling and stakeholder communication to help maximize the business potential of data.
Tali is a data expert with over 13 years of experience, having held senior positions at leading tech companies including Wix (10 years, Director of Data) and Simply (2 years, Head of Data). Currently, she operates as an independent data strategy consultant, guiding organizations in building business-aligned data strategies, as well as providing personal mentoring to data professionals at all career stages. As a committed advocate for the data community in Israel, Tali co-founded ""Data Queens,"" a community of nearly 2,000 women in data fields. She teaches at Hebrew University and Masterschool, and leads workshops on data storytelling and stakeholder communication to help maximize the business potential of data.
Yulia Stolin
AI Platform Manager, Teads
I am nearly 20 years of experience in the tech industry, architecture, specializing in machine learning, data processing, and scalable systems. For the past 8.5 years, I have been working at Outbrain, where I focus on building and optimizing ML platforms, recommendation systems, and high-performance infrastructure. Beyond work, I am passionate about technology, problem-solving, and innovation. I enjoy playing tennis, hiking, and traveling, always looking for new experiences and challenges. Most importantly, I am a proud father of three sons, balancing my professional and personal life with curiosity and enthusiasm.
I am nearly 20 years of experience in the tech industry, architecture, specializing in machine learning, data processing, and scalable systems. For the past 8.5 years, I have been working at Outbrain, where I focus on building and optimizing ML platforms, recommendation systems, and high-performance infrastructure. Beyond work, I am passionate about technology, problem-solving, and innovation. I enjoy playing tennis, hiking, and traveling, always looking for new experiences and challenges. Most importantly, I am a proud father of three sons, balancing my professional and personal life with curiosity and enthusiasm.
Tal N. Mizrachi
Data Scientist, Master School
Tal Mizrachi (a.k.a. Analysis Paralysis) is a data scientist, educator, and mentor on a mission to make data science, analytical thinking, and programming more approachable—and more fun than it already is. He loves helping people connect the dots, ask better questions, and build cool stuff with data. When he’s not wrangling datasets or teching Python in TAU, Tal is usually hanging out with his wife Adi, their two daughters, and a very large black dog.
Tal Mizrachi (a.k.a. Analysis Paralysis) is a data scientist, educator, and mentor on a mission to make data science, analytical thinking, and programming more approachable—and more fun than it already is. He loves helping people connect the dots, ask better questions, and build cool stuff with data. When he’s not wrangling datasets or teching Python in TAU, Tal is usually hanging out with his wife Adi, their two daughters, and a very large black dog.
Sivan Milwerger
Head of Data, iRestore
Head of Data with over 13 years of experience in building, leading, and scaling analytics and BI teams. Deeply passionate about product analytics, business insights, A/B testing, and full-stack data infrastructure. Works closely with product, R&D, and business teams to drive meaningful data impact. Co-founder of Data Queens – a leading community for women in data. An active mentor in a variety of data-driven programs and initiatives.
Head of Data with over 13 years of experience in building, leading, and scaling analytics and BI teams. Deeply passionate about product analytics, business insights, A/B testing, and full-stack data infrastructure. Works closely with product, R&D, and business teams to drive meaningful data impact. Co-founder of Data Queens – a leading community for women in data. An active mentor in a variety of data-driven programs and initiatives.
Erez Filosof Timnat
Principal Data Scientist, Shield FC
Erez started his career as a software engineer, working at IDF unit 8200, then Microsoft and Google. Erez then moved to AppsFlyer, where he co-founded and co-led the Data Science group, and transferred the company's business to rely heavily on ML. Erez enjoys providing practical straight-forward solutions to complex problems - in either algorithms, math, data science, or software engineering.
Erez started his career as a software engineer, working at IDF unit 8200, then Microsoft and Google. Erez then moved to AppsFlyer, where he co-founded and co-led the Data Science group, and transferred the company's business to rely heavily on ML. Erez enjoys providing practical straight-forward solutions to complex problems - in either algorithms, math, data science, or software engineering.
Gal Krispel
Data Platform Engineer, Riskified
Gal is a Data Platform Engineer at Riskified with 8 years of experience in Software Engineering, including roles at Fiverr and Check Point. He’s passionate about streaming technologies like Kafka, Flink, and Spark, as well as distributed systems. Gal focuses on turning complex data pipelines into intuitive, self-serve platform interfaces, empowering development teams and democratizing data across the organization. Outside of work, he enjoys traveling to exotic locations with his family and exploring new cuisines.
Gal is a Data Platform Engineer at Riskified with 8 years of experience in Software Engineering, including roles at Fiverr and Check Point. He’s passionate about streaming technologies like Kafka, Flink, and Spark, as well as distributed systems. Gal focuses on turning complex data pipelines into intuitive, self-serve platform interfaces, empowering development teams and democratizing data across the organization. Outside of work, he enjoys traveling to exotic locations with his family and exploring new cuisines.
Dafna Frank
Director of Data Engineering
Dafna holds B.Sc and M.Sc degrees in Computer Science from the Technion. With 10 years as a Software Developer at Microsoft and having led the Data Engineering Group at Outbrain, she is a seasoned Director of Engineering expert in managing large-scale data platforms and high-performing teams. Dafna is committed to mentoring youth, particularly young women, in the hi-tech ecosystem.
Dafna holds B.Sc and M.Sc degrees in Computer Science from the Technion. With 10 years as a Software Developer at Microsoft and having led the Data Engineering Group at Outbrain, she is a seasoned Director of Engineering expert in managing large-scale data platforms and high-performing teams. Dafna is committed to mentoring youth, particularly young women, in the hi-tech ecosystem.
Shahar Caspi
Data Engineer, Riskified
Shahar is a Data Engineer with 7 years of expertise in the data field. Throughout her career, she has gained expertise in designing and implementing data solutions to support business decision-making and analysis. She has a strong understanding of data modeling, ETL, and data warehousing principles and has a track record of delivering successful projects for clients in various industries. She is passionate about innovation, exploring new features, and efficiency. Outside of work, she finds joy in hiking, embracing the belief, “Shoot for the moon. Even if you miss, you'll land among the stars”.
Shahar is a Data Engineer with 7 years of expertise in the data field. Throughout her career, she has gained expertise in designing and implementing data solutions to support business decision-making and analysis. She has a strong understanding of data modeling, ETL, and data warehousing principles and has a track record of delivering successful projects for clients in various industries. She is passionate about innovation, exploring new features, and efficiency. Outside of work, she finds joy in hiking, embracing the belief, “Shoot for the moon. Even if you miss, you'll land among the stars”.
Hen Ben-Hemo
Data Platform Architect, Riskified
Hen is a Data Platform Architect and Spark Advocate at Riskified, where he is leading the next-generation data platform architecture. With a career rich in experience tackling scale and data challenges over the last decade, Hen has skillfully embedded data technologies into the fabric of Riskified’s innovative data solutions. His passion for leveraging cutting-edge technologies is matched by his commitment to the community, where he is dedicated to sharing knowledge and fostering creative problem-solving. Outside of his professional endeavors, Hen is a flight simulator amateur and a food enthusiast, reveling in the joy of traveling with his family.
Hen is a Data Platform Architect and Spark Advocate at Riskified, where he is leading the next-generation data platform architecture. With a career rich in experience tackling scale and data challenges over the last decade, Hen has skillfully embedded data technologies into the fabric of Riskified’s innovative data solutions. His passion for leveraging cutting-edge technologies is matched by his commitment to the community, where he is dedicated to sharing knowledge and fostering creative problem-solving. Outside of his professional endeavors, Hen is a flight simulator amateur and a food enthusiast, reveling in the joy of traveling with his family.
Shai Peretz
SVP Engineering, Riskified
Seasoned technology executive, focused on building great technology teams, emphasis on the culture of excellence, ownership, transparency, and trust driving business impact with social responsibility.
Seasoned technology executive, focused on building great technology teams, emphasis on the culture of excellence, ownership, transparency, and trust driving business impact with social responsibility.
Nicole Ginosar
BI Engineering & Analytics Manager, Atbay
Nicole has over a decade of experience driving significant impact by leading and scaling data initiatives within the tech industry. She holds a Bachelor's degree from Tel Aviv University and a joint MBA in Technology and Entrepreneurship from Tel Aviv University and the University of Michigan. Her background includes strategic consulting at Google, where she advised leadership on data-driven strategies, and deep analytical work at Taboola, extracting key insights from large-scale datasets. At At-Bay, a leading cyber insurance and security company, Nicole established and led their Product Analytics & BI Engineering organizations from scratch. She is passionate about data modeling, building high-performing teams, data products and cultivating a real data driven approach, leveraging technologies like AI. Beyond her professional roles, Nicole co-founded the Data Queens community, a network of over 3,000 women in the data field.
Nicole has over a decade of experience driving significant impact by leading and scaling data initiatives within the tech industry. She holds a Bachelor's degree from Tel Aviv University and a joint MBA in Technology and Entrepreneurship from Tel Aviv University and the University of Michigan. Her background includes strategic consulting at Google, where she advised leadership on data-driven strategies, and deep analytical work at Taboola, extracting key insights from large-scale datasets. At At-Bay, a leading cyber insurance and security company, Nicole established and led their Product Analytics & BI Engineering organizations from scratch. She is passionate about data modeling, building high-performing teams, data products and cultivating a real data driven approach, leveraging technologies like AI. Beyond her professional roles, Nicole co-founded the Data Queens community, a network of over 3,000 women in the data field.
Menachem Geva
ML Platform Manager, Riskified
ML Platform & Data Engineering Manager | Certified Coach passionate about leading people, tech, and data to real results. 30+ years of hands-on experience with Python, SQL, big data, cloud ... – and still learning every day.
ML Platform & Data Engineering Manager | Certified Coach passionate about leading people, tech, and data to real results. 30+ years of hands-on experience with Python, SQL, big data, cloud ... – and still learning every day.
Ori Tal
Developer Relations Manager, Riskified
Ori is the Dev Relation Manager at Riskified. As part of her role, Ori owns the Riskified Tech brand, helps the R&D employees to share their professional knowledge with the tech community, and build their personal brand. She is also responsible for brand content creation and managing internal and external projects, like the hayaData conference. Ori is also a big Harry Potter fan and a professional photographer.
Ori is the Dev Relation Manager at Riskified. As part of her role, Ori owns the Riskified Tech brand, helps the R&D employees to share their professional knowledge with the tech community, and build their personal brand. She is also responsible for brand content creation and managing internal and external projects, like the hayaData conference. Ori is also a big Harry Potter fan and a professional photographer.
Tal Levinger
Agile Program Manager, Riskified
Tal is an Agile Program Manager at Riskified. She is an experienced senior project manager in the agile world, specializing in project execution, transparency, efficiency, and clarity for R&D teams. Tal collaborates with the product team, defines roadmaps, analyzes risks, and works with the CTO on org. KPIs. She is a Certified Scrum Master and SAFe practitioner with strong communication skills. Tal is also passionate about traveling.
Tal is an Agile Program Manager at Riskified. She is an experienced senior project manager in the agile world, specializing in project execution, transparency, efficiency, and clarity for R&D teams. Tal collaborates with the product team, defines roadmaps, analyzes risks, and works with the CTO on org. KPIs. She is a Certified Scrum Master and SAFe practitioner with strong communication skills. Tal is also passionate about traveling.
Nir Alal
Lead Web Developer, Riskified
Nir is Lead Web Developer at Riskified. With over a decade of experience, he spearheads projects from inception to completion, ensuring they align with the company’s objectives and exceed client expectations. Nir’s leadership fosters innovation and maintains the highest standards of quality across all our web development endeavors.
Nir is Lead Web Developer at Riskified. With over a decade of experience, he spearheads projects from inception to completion, ensuring they align with the company’s objectives and exceed client expectations. Nir’s leadership fosters innovation and maintains the highest standards of quality across all our web development endeavors.
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