The Poker Trader: How Jeff Yass Built a $500B Empire from Game Theory and Patience

Jeff Yass poker player trader

Jeff Yass is one of the most quietly powerful figures in modern finance. While his name rarely appears on CNBC or Bloomberg panels, his company, Susquehanna International Group (SIG), trades hundreds of billions of dollars across global markets every day. What makes Yass’s story extraordinary is that his empire wasn’t built from Wall Street tradition. […]