Randolph B. (Randy) Cohen joined the MIT Sloan School Faculty in 2009. From 1998-2009, he taught at Harvard Business School, most recently as Associate Professor of Finance. He currently teaches Investments, an elective course for MIT Sloan MBA students. Professor Cohen received his AB in Mathematics from Harvard College in 1987, and completed a PhD 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 financial markets. 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 the prediction of manager performance.  Recently his research has focused on municipal finance and the behavior of municipal bond prices.