Browse the complete record of transactions filed by ZWARENSTEIN BARRY, Board Member. Insider active across 3 companies, notably JFrog Ltd. Aggregated, 41 filings have been recorded. Total volume traded: €2.1m. The latest transaction was disclosed on 10 June 2022 — Attribution. Regulator: SEC (Form 4). The full history is free.
25 of 41 declarations
Barry Zwarenstein is a seasoned technology finance executive best known for senior financial leadership roles and public-company board service across the U.S. NYSE/NASDAQ landscape. He currently serves as an independent director of JFrog Ltd. and as a member of the board of directors of ON24, where he also serves on the audit committee. Until March 2025, he was the Chief Financial Officer of Five9, Inc., a cloud contact center software company, a role he had held since January 2012. At Five9, he also served as Interim Chief Executive Officer from December 2017 to May 2018. ([investors.jfrog.com](https://investors.jfrog.com/governance/board-of-directors/person-details/default.aspx?ItemId=63261054-4d70-41a4-9bc6-b11354b5f330&utm_source=openai)) His career reflects deep experience in corporate finance, capital markets, and transformation transactions. Before joining Five9, he was Senior Vice President and Chief Financial Officer of SMART Modular Technologies, where he played an important role in the Silver Lake Partners take-private transaction. He also held finance leadership positions at VeriFone Holdings, Iomega Corporation, Acuson, Mellanox Technologies, and Logitech S.A. Company biographies from ON24 and JFrog note that he helped lead multiple IPOs, including Five9, VeriFone, and Logitech, and contributed to take-private outcomes at SMART and Acuson. ([on24.com](https://www.on24.com/about-us/board-of-directors/?utm_source=openai)) In governance roles, Zwarenstein is widely positioned as an audit-focused board member with strong financial discipline and strategic execution experience. ON24 describes him as an experienced technology executive with more than 35 years of financial leadership in the technology industry. He holds a Bachelor of Commerce from the University of KwaZulu-Natal, a Wharton MBA from the University of Pennsylvania, and is a qualified Chartered Accountant in South Africa. ([on24.com](https://www.on24.com/about-us/board-of-directors/?utm_source=openai))