Education: Ph.D. in Economics, London School of Economics, 1986.

Current Affiliations: Visiting Professor of Finance, Imperial College;

Barbara and David Zalaznick Professor of Business, Emeritus & Professor of Economics, Emeritus, Finance Division, Graduate School of Business, Columbia University.

Selected Honors:

· President, American Finance Association, 2015.
· Fellow, American Academy of Arts and Sciences, 2009.
· Fellow, Econometric Society, 1993.
· Corresponding Fellow, British Academy, 2013.

· Contract Theory

· Corporate Finance

· Financial Institutions

· Industrial Organization