Key Takeaways Warren Jenson joins Polymarket as CFO, reporting to CEO Shayne Coplan. The former Amazon finance chief also serves on Ripple’s board. The appointment comes as Polymarket expands its U.S. and global operations. Polymarket Adds Finance Leadership as Business Expands Polymarket is putting its financial and capital strategy under Warren Jenson as it scales its U.S. exchange and international platform. The prediction market company named him chief financial officer on Sept. 10, reporting to founder and CEO Shayne Coplan. His assignment includes leading the finance organization and strengthening long-range planning. Coplan tied the appointment to a broader effort to …

