Randolph B. (Randy) Cohen joined the Harvard Business School Faculty in the Finance Area in 1998. He teaches the Investment Management course in the Elective Curriculum of the MBA Program, and co-teaches Asset Pricing II in the Ph.D. Program. Professor Cohen received his A.B. in Mathematics from Harvard College in 1987, and completed a Ph.D. in Finance at the University of Chicago in 1998. Before coming to HBS, Professor Cohen worked as an actuarial management consultant specializing in pension plan asset/liability analysis. Professor Cohen's main research focus is the interface between the actions of institutional investors and price levels in the stock market. He has studied the differential reactions of institutions and individuals to news about firms and the economy, and the effect of institutional trading on stock prices. Professor Cohen has also researched the identification of top investment managers and prediction of manager performance.