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.

Inbar Yogev

Data Architect, Riskified

With over 20 years of experience in the data/big-data realm, Inbar is a true Data Enthusiast. In the last couple of years, he’s been acting as the head of Data Engineering in Riskified, building the data platform as a core piece in this very-data-driven organization, in addition to being one of the founders & promoters of the hayaData conference, he’s also a father to 2 awesome kids, an aspiring musician, and a table tennis player.

With over 20 years of experience in the data/big-data realm, Inbar is a true Data Enthusiast. In the last couple of years, he’s been acting as the head of Data Engineering in Riskified, building the data platform as a core piece in this very-data-driven organization, in addition to being one of the founders & promoters of the hayaData conference, he’s also a father to 2 awesome kids, an aspiring musician, and a table tennis player.

Doron Porat

Data Infra Group Leader, Yotpo

Doron is leading the Data infra group at Yotpo, where she works to build a scalable and open data platform, and self-service tooling to serve all of Yotpo’s users and applications around it. She is a big fan of the “data as a product” approach and is especially keen on data governance. She loves talking about data and so she co-hosts an Israeli podcast about Data Engineering together with Liran Yogev.

Doron is leading the Data infra group at Yotpo, where she works to build a scalable and open data platform, and self-service tooling to serve all of Yotpo’s users and applications around it. She is a big fan of the “data as a product” approach and is especially keen on data governance. She loves talking about data and so she co-hosts an Israeli podcast about Data Engineering together with Liran Yogev.

Tal Laron

Data Science Team Lead, Riskified

Tal Laron is a Data Science Team Lead at Riskified, responsible for Riskified models and DS components. Tal has extensive data science experience across multiple fields, and, before Riskified, she worked in several startups. Tal holds a bachelor’s degree in statistics and economics from Tel Aviv University and a master’s degree in financial economics, a global program from the Reichman University. As a former gymnast, she enjoys sports and sporting events.

Tal Laron is a Data Science Team Lead at Riskified, responsible for Riskified models and DS components. Tal has extensive data science experience across multiple fields, and, before Riskified, she worked in several startups. Tal holds a bachelor’s degree in statistics and economics from Tel Aviv University and a master’s degree in financial economics, a global program from the Reichman University. As a former gymnast, she enjoys sports and sporting events.

Erez Filosof Timnat

Data Science Team Leader, AppsFlyer

Erez is a hands-on research and engineering manager at AppsFlyer. He co-founded the data science group at AppsFlyer. Erez started his career as a software engineer at IDF unit 8200. He is also an alumni of leading corporations, Microsoft and Google. At AppsFlyer, Erez initially worked on models for fraud detection, and built a classifier based on Bayesian networks. Today, Erez is leading the work on multiple models behind AppsFlyer’s attribution solution, the core business of the company. Erez holds a B.Sc. in physics and CS from TAU and an M.Sc. in online algorithms from the Technion CS faculty.

Erez is a hands-on research and engineering manager at AppsFlyer. He co-founded the data science group at AppsFlyer. Erez started his career as a software engineer at IDF unit 8200. He is also an alumni of leading corporations, Microsoft and Google. At AppsFlyer, Erez initially worked on models for fraud detection, and built a classifier based on Bayesian networks. Today, Erez is leading the work on multiple models behind AppsFlyer’s attribution solution, the core business of the company. Erez holds a B.Sc. in physics and CS from TAU and an M.Sc. in online algorithms from the Technion CS faculty.

Ran Salmona

Head of BI and Product Analytics, Riskified

Ran is the head of BI and Product Analytics in Riskified, and has over 10 years in building and leading BI and data analytics teams. As a data professional, his passion is about ways to use data as part of business decisions. His main expertise is data modeling, data management, and the connection between data and business flows.

Ran is the head of BI and Product Analytics in Riskified, and has over 10 years in building and leading BI and data analytics teams. As a data professional, his passion is about ways to use data as part of business decisions. His main expertise is data modeling, data management, and the connection between data and business flows.

David Ostrovsky

Software Engineer, Meta

At age 9 little David found a book in Russian called “Electronic Computational Machines” at the library and, after reading it in a single weekend, decided that this was what he wanted to do with his life. Three years later he finally got to touch a computer for the first time and discovered that it was totally worth the wait. One thing led to another and now he’s a software engineer at Meta. David is a software developer with over 20 years of industry experience, speaker, trainer, blogger, and co-author of “Pro Couchbase Server”. He specializes in large-scale distributed system architecture.

At age 9 little David found a book in Russian called “Electronic Computational Machines” at the library and, after reading it in a single weekend, decided that this was what he wanted to do with his life. Three years later he finally got to touch a computer for the first time and discovered that it was totally worth the wait. One thing led to another and now he’s a software engineer at Meta. David is a software developer with over 20 years of industry experience, speaker, trainer, blogger, and co-author of “Pro Couchbase Server”. He specializes in large-scale distributed system architecture.

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.

Orit Mansur

BI Team Lead, Riskified

Orit is a BI Team Leader at Riskified, leading the Finance domain, and has over 10 years of experience in the data industry. As a data specialist, she is passionate about data, technology, business, and people. Her main expertise is in data modeling, analytics, and data visualization. She sees a big part in her role in mentoring and out-of-the-box thinking. Her favorite place in the world is India, and as they say there, Orit truly believes “everything is possible”.

Orit is a BI Team Leader at Riskified, leading the Finance domain, and has over 10 years of experience in the data industry. As a data specialist, she is passionate about data, technology, business, and people. Her main expertise is in data modeling, analytics, and data visualization. She sees a big part in her role in mentoring and out-of-the-box thinking. Her favorite place in the world is India, and as they say there, Orit truly believes “everything is possible”.

Tal Mizrachi

Sr. Data Analyst, Blyp

Tal Mizrachi, AKA Analysis Paralysis online, is a data analyst and educator trying to make data science, analytical methods, and programming accessible and fun to learn about. His data analysis has reached globally with companies like eBay and Blyp, and he teaches about his field through mentorship programs like Appleseeds Academy and Tsofen, through his position as an academic lead at Masterschool Germany, and through his online platforms. Tal teaches with laughter and easy acceptance of mistakes, and despite his accomplishments, he tries not to take himself too seriously (it’s bad for the skin or something like that). Tal is married to Adi (MD, it rhymes), 2 daughters (4.5, 0.25), a black dog.

Tal Mizrachi, AKA Analysis Paralysis online, is a data analyst and educator trying to make data science, analytical methods, and programming accessible and fun to learn about. His data analysis has reached globally with companies like eBay and Blyp, and he teaches about his field through mentorship programs like Appleseeds Academy and Tsofen, through his position as an academic lead at Masterschool Germany, and through his online platforms. Tal teaches with laughter and easy acceptance of mistakes, and despite his accomplishments, he tries not to take himself too seriously (it’s bad for the skin or something like that). Tal is married to Adi (MD, it rhymes), 2 daughters (4.5, 0.25), a black dog.

Hily Abramovich

Product Analyst, Riskified

Hily has been a data analyst for 4.5 years and she is currently a Product Analyst at Riskified. Leading the analytics of 3 of the company’s products, she connects between the analytical aspects as well as the business ones and uses data to tell a story and to provide meaningful insights. She defines, measures, and optimizes product KPIs, presents results to key decision makers, and also finds new opportunities.

Hily has been a data analyst for 4.5 years and she is currently a Product Analyst at Riskified. Leading the analytics of 3 of the company’s products, she connects between the analytical aspects as well as the business ones and uses data to tell a story and to provide meaningful insights. She defines, measures, and optimizes product KPIs, presents results to key decision makers, and also finds new opportunities.

Elad Cohen

Senior Director Research, Pagaya

As the Deputy VP of Credit Research, Elad is focused on improving the performance of Pagaya’s main business line. With over a decade of experience managing dozens of data scientists and analysts across research domains, his passion is in leveraging machine learning to effectively drive significant business impact. Prior to joining Pagaya, Elad was the VP of Data Science at Riskified, founded Viasat’s data science office in Israel and served as a Section Commander in an elite research unit in the IDF Intelligence corp. He holds an M.Sc. and B.Sc in Applied Physics from Bar-Ilan University, and an Executive MBA from Tel Aviv University.

As the Deputy VP of Credit Research, Elad is focused on improving the performance of Pagaya’s main business line. With over a decade of experience managing dozens of data scientists and analysts across research domains, his passion is in leveraging machine learning to effectively drive significant business impact. Prior to joining Pagaya, Elad was the VP of Data Science at Riskified, founded Viasat’s data science office in Israel and served as a Section Commander in an elite research unit in the IDF Intelligence corp. He holds an M.Sc. and B.Sc in Applied Physics from Bar-Ilan University, and an Executive MBA from Tel Aviv University.

Shlomi Medalion

Senior Researcher, Gong.io

A senior Data Scientist and AI researcher at Gong.io. Married +6 wonderful kids. Holds a Ph.D. in physics. The former Chief data scientist of Empow Cybersecurity. Loves working on challenging NLP problems, Computer-Vision, and deployment of scalable, complex AI systems in production. He is fascinated by the way simple ideas, when implemented correctly, can change the way we think and learn.

A senior Data Scientist and AI researcher at Gong.io. Married +6 wonderful kids. Holds a Ph.D. in physics. The former Chief data scientist of Empow Cybersecurity. Loves working on challenging NLP problems, Computer-Vision, and deployment of scalable, complex AI systems in production. He is fascinated by the way simple ideas, when implemented correctly, can change the way we think and learn.

Inbar Tal

R&D Brand Manager, Riskified

Inbar Tal, as R&D Brand Manager at Riskified, is responsible for sharing professional knowledge and challenges with the R&D community and spreading brand awareness for Riskified Tech in the R&D ecosystem. She leads tech community outreach, podcasts, collaborations with different communities, events– and leads hayaData 2022 Conference. Previously, she was a brand manager of global consumer products and later manager of employer branding at a recruitment agency. Inbar and her dog, Nella, enjoy walking on the beach and sipping coffee in hip cafes.

Inbar Tal, as R&D Brand Manager at Riskified, is responsible for sharing professional knowledge and challenges with the R&D community and spreading brand awareness for Riskified Tech in the R&D ecosystem. She leads tech community outreach, podcasts, collaborations with different communities, events– and leads hayaData 2022 Conference. Previously, she was a brand manager of global consumer products and later manager of employer branding at a recruitment agency. Inbar and her dog, Nella, enjoy walking on the beach and sipping coffee in hip cafes.

Lior Winner

Data Engineering Team Lead & Head of Data Guild, Riskified

Lior is the Head of Riskified’s Data Guild and leading the Data Streams team. He took a significant part in creating Riskified’s modern data architecture. Today, his team focuses on building the company Streaming Platform that is responsible for enabling Riskified’s event streaming architecture and real-time streaming applications.

Lior is the Head of Riskified’s Data Guild and leading the Data Streams team. He took a significant part in creating Riskified’s modern data architecture. Today, his team focuses on building the company Streaming Platform that is responsible for enabling Riskified’s event streaming architecture and real-time streaming applications.

Ori Tal

R&D Community Specialist, Riskified

Ori is part of the Riskified DevRel team, managing the Riskified Tech’s communication and social media channels. As part of her role, Ori also helps the R&D employees to build their personal brands by leading a unique personal branding course and guiding them in writing technical blog posts and social profiles. Ori is also a professional photographer who finds that personal interactions are essential for a happy life.

Ori is part of the Riskified DevRel team, managing the Riskified Tech’s communication and social media channels. As part of her role, Ori also helps the R&D employees to build their personal brands by leading a unique personal branding course and guiding them in writing technical blog posts and social profiles. Ori is also a professional photographer who finds that personal interactions are essential for a happy life.

Raviv Gurtensten

Director of People Brand & Experience, Riskified

Raviv leads the Developer Relations, Employer Branding, Employee Experience, and Corporate Social Responsibility teams at Riskified. As part of his role, he is responsible for building and sharing Riskified’s story as a leading workplace. Before Riskified, Raviv worked at Wix, was one of the founders of the Wix R&D Center in Be’er-Sheva, led the company’s global Frontend Development operation, and was part of YGLF and Scalapeno conferences teams. In his free time, he is studying for a master’s degree in philosophy at Tel Aviv University, playing bass, and collecting Funko Pop figures.

Raviv leads the Developer Relations, Employer Branding, Employee Experience, and Corporate Social Responsibility teams at Riskified. As part of his role, he is responsible for building and sharing Riskified’s story as a leading workplace. Before Riskified, Raviv worked at Wix, was one of the founders of the Wix R&D Center in Be’er-Sheva, led the company’s global Frontend Development operation, and was part of YGLF and Scalapeno conferences teams. In his free time, he is studying for a master’s degree in philosophy at Tel Aviv University, playing bass, and collecting Funko Pop figures.

Sophie Strajnik

Brand Design Team Lead, Riskified

Over the last three years, Sophie took a massive part in shaping the evolving look and feel of Riskified, including extensive involvement in the in-house rebranding process and its implementation during the company’s IPO. She leads the design of Riskified Technology and its implications, including design for print, web, and social media.

Over the last three years, Sophie took a massive part in shaping the evolving look and feel of Riskified, including extensive involvement in the in-house rebranding process and its implementation during the company’s IPO. She leads the design of Riskified Technology and its implications, including design for print, web, and social media.

Omer Nifker

Brand Designer, Riskified

Omer is a Brand Designer at Riskified and was involved in creating the branding for this year’s conference. He holds a bachelor’s degree in Visual Communication from Shenkar College of Engineering, Design and Art. Currently he lives in Tel Aviv, and some of his favorite hobbies are reading, playing video games, and sleeping.

Omer is a Brand Designer at Riskified and was involved in creating the branding for this year’s conference. He holds a bachelor’s degree in Visual Communication from Shenkar College of Engineering, Design and Art. Currently he lives in Tel Aviv, and some of his favorite hobbies are reading, playing video games, and sleeping.

Ofri Shefer-Gilat

Learning Partner, Riskified

Ofri is A cognitive psychologist specializing in organizational learning and development. She works with the tech departments at Riskified to enhance employees’ growth and performance. She sees learning and development as a meaningful aspect in the employee’s life cycle, and as such, a powerful means to promote business goals. Before joining Riskified, Ofri worked as a learning consultant and instructional designer and led multiple learning projects in various organizations. As part of her profession, but more than that – as part of her life agenda, Ofri is always in the search of learning new things.

Ofri is A cognitive psychologist specializing in organizational learning and development. She works with the tech departments at Riskified to enhance employees’ growth and performance. She sees learning and development as a meaningful aspect in the employee’s life cycle, and as such, a powerful means to promote business goals. Before joining Riskified, Ofri worked as a learning consultant and instructional designer and led multiple learning projects in various organizations. As part of her profession, but more than that – as part of her life agenda, Ofri is always in the search of learning new things.