Professor Fos’s research interests are in the areas of financial markets, corporate governance, and corporate finance. His research studies information transmission in financial markets, insider trading, boards of directors, the role of activist shareholders in corporate governance, the role of stock liquidity in corporate governance, and investment and employment consequences of share repurchases. His research has appeared in leading academic journals, including the Econometrica, Journal of Finance, Journal of Financial Economics, Review of Financial Studies, and Management Science. Professor Fos’s teaching interests focus on corporate finance. He has taught courses in corporate finance at the undergraduate and graduate levels.