Law clerk, Hon. J. Edward Lumbard, U.S. Court of Appeals for the Second Circuit, 1984-1985
Private practice, New York, 1985-1986, 1991-1992
Assistant U.S. attorney, Southern District of New York, 1986-1991
Assistant professor, University of Michigan Law School, 1992-1994
Faculty, Columbia Law School, 1994-2007; associate professor, 1994-2000; professor, 2000-2007; vice dean, 2005-2006
Nominated to U.S. Court of Appeals for the Second Circuit, June 28, 2006; no Senate vote
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