Ralph Koijen
University of Chicago Booth School of BusinessRalph S.J. Koijen is the AQR Capital Management Distinghuised Service Professor of Finance and Fama Faculty Fellow at the University of Chicago Booth School of Business. He is also a Research Associate at the National Bureau of Economic Research and a Research Fellow of the Center for Economic Policy Research. He is a co-director of the NBER Asset Pricing program. He serves as a co-editor of the Review of Financial Studies. Professor Koijen was awarded the 2019 Fischer Black Prize by the AFA.