Dr. John Geanakoplos

Biography

John Geanakoplos is the James Tobin Professor of Economics at Yale University, a position he has held for several years. He is the director of the Cowles Foundation for Research in Economics and has served as chair of the Hellenic Studies program and the Santa Fe Institute’s Science Steering Committee. He is a founding partner of the hedge fund Ellington Capital Management and has a rich academic background that includes winning the Samuelson Prize and the Ross Prize. Geanakoplos graduated summa cum laude with a BA in Mathematics from Yale University and received his MA and PhD in Economics from Harvard University. He has made significant contributions to economic theory and is known for his work on collateral, general equilibrium, and the leverage cycle, which have become crucial in understanding the financial crisis of 2008. His research interests also extend to game theory and its applications in economics, including the concepts of strategic substitutes and complements, as well as psychological games. His recent work has focused on the intersection of monetary policy and social meritocracy, demonstrating a commitment to addressing contemporary economic issues. Throughout his career, he has collaborated with notable economists, producing influential theoretical advancements in the field.

Research Interests