Prediction-market firm Polymarket has hired its first chief financial officer, Warren Jenson, as it seeks new funding and aims to close the gap with competitor Kalshi. Jenson previously held senior finance roles at Nielsen and LiveRamp. CEO Shayne Coplan said Jenson’s experience will be critical as the company scales its operations.

2026-09-10

Prediction-market firm Polymarket has hired its first chief financial officer, Warren Jenson, as it seeks new funding and aims to close the gap with competitor Kalshi. Jenson previously held senior finance roles at Nielsen and LiveRamp. CEO Shayne Coplan said Jenson’s experience will be critical as the company scales its operations.