MV Capital - Polymarket Appoints Wall Street Veteran Warren Jenson as First CFO

Prediction-market firm names former Amazon finance chief to lead capital strategy amid U.S. expansion and competition with Kalshi

Polymarket has appointed Warren Jenson as its first chief financial officer, bringing in a seasoned executive with decades of experience at major corporations to oversee its finance operations as the company scales its regulated U.S. presence and global platform.

Jenson, 69, will report directly to founder and chief executive officer Shayne Coplan. In the role, he will lead the company’s finance organization, set financial and capital strategy, strengthen long-range planning, and build supporting infrastructure for the next phase of growth.

"Polymarket created a massive new global market category. I'm joining Shayne and the leadership team to put the capital strategy and operating discipline in place to move quickly at scale and continue to push the frontier of this industry."Warren Jenson

Extensive Track Record Across Major Companies

Jenson previously served as chief financial officer at Amazon, Electronic Arts, Delta Air Lines and NBC. He later held the positions of president and chief financial officer at Nielsen, where he managed finance, strategy, technology, corporate development and the analytics business. Before that, he was president at LiveRamp, overseeing finance operations and international expansion.

He currently sits on the boards of Ripple, Dropbox and DigitalOcean. The appointment adds a finance leader who has operated at the intersection of traditional corporate finance and crypto-related governance.

"Warren has led finance at some of the most consequential companies in the world, and his experience will be critical to everything we build from here."Shayne Coplan

Strategic Timing Amid Growth and Competition

The hire arrives as Polymarket works to expand its Commodity Futures Trading Commission-regulated U.S. exchange while growing its broader prediction-market business. The platform allows users to trade on event outcomes using USDC, with trades recorded and settled on the Polygon blockchain. It drew widespread attention during the 2024 U.S. presidential election and has since expanded further into sports and other categories.

The move coincides with a recent funding round that valued Polymarket at $21 billion, up from a prior $15 billion valuation. Intercontinental Exchange, owner of the New York Stock Exchange, remains a major shareholder. Rival Kalshi holds a $22 billion valuation following its own large raise earlier in the year and has pulled ahead in trading volumes and U.S. market share.

Polymarket has added several experienced executives in recent periods to strengthen compliance, risk, regulatory affairs and growth functions. Jenson becomes the latest senior hire as the company seeks to support institutional interest and operational scale.

Jenson’s responsibilities center on establishing the financial foundation needed for continued expansion in both regulated U.S. markets and global activity.