Law clerk, Hon. Henry J. Friendly, U.S. Court of Appeals for the Second Circuit, 1964-1965
Law clerk, Hon. John Harlan, Supreme Court of the United States, 1965-1966
Private practice, Washington, D.C., 1966-1987
Visiting professor, Harvard Law School, 1982-1983
Lecturer, Harvard Law School, 1983-1998
Deputy assistant attorney general, Antitrust Division, U.S. Department of Justice, 1987-1990
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