Dean and the Lucy G. Moses Professor of Law
Columbia Law School

 Executive editor, Yale Law Journal. Law clerk to Judge Alex Kozinski, U.S. Court of Appeals for the Ninth Circuit, 1993-94. Law clerk to Justice Ruth Bader Ginsburg, Supreme Court of the United States, 1994-95. Practiced law in the tax department of Davis Polk & Wardwell, New York, 1995-98.

Currently serves on the Tax Club, the Tax Forum, and on the executive committee and as co-chair of the Committee on Financial Institutions, N.Y. State Bar Association Tax Section.

Joined the Columbia faculty in 1998. Currently teaches federal income taxation, the taxation of financial instruments, corporate tax, and deals.