Jonathan Lewellen is the Carl E. and Catherine M. Heidt Professor of Finance at the Tuck School and a Research Associate at the National Bureau of Economic Research. He teaches Capital Markets in Tuck's MBA program and Corporate Finance in the Business Bridge program. Prior to joining Tuck in 2005, Prof. Lewellen was on the faculty at MIT's Sloan School of Management. He received a PhD in finance from the University of Rochester.

Prof. Lewellen's research focuses on stock prices and investor behavior, with additional interests in corporate finance and accounting. He currently studies factor models of stock returns, the ownership structure of U.S. corporations, and the autocorrelation of stock and bond returns. Prof. Lewellen's research has been published in the Journal of Finance, Journal of Financial Economics, Review of Financial Studies, Journal of Financial and Quantitative Analysis, Critical Finance Review, Journal of Accounting and Economics, and Review of Accounting Studies.