Zennon Kupchak
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Zennon Kupchak is Corporate Controller at Polymarket. According to The Org, they focus on financial reporting and accounting for technology companies in that role. Previously, they were Principal of Platform Accounting at Airbnb, where they managed international transactions and contributed to the company’s IPO, and they also held roles at xAI, GoFundMe, EY, Effectus Group, and KPMG LLP. They are known for work in technical accounting, operations, financial reporting, and accounting.
Updated 9 September 2026
Public sources: theorg.com
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