Professor of law
George Mason University
2013 – present · 13 yrs
Professor of law
New York University Law School
2011 – 2013 · 2 yrs
Lecturer in law
Columbia University
2009 – 2011 · 2 yrs
Distinguished visiting scholar
New York Law School
2006 – 2009 · 3 yrs
Visiting senior lecturer
University of Chicago
1990 – present · 36 yrs
Lecturer on law
Harvard University
1988 – 1989 · 1 yr
Distinguished adjunct professor of law
George Mason University
1988 – 2010 · 22 yrs
Visiting professor of law
Columbia University
1987 – 1988 · 1 yr
Assistant attorney general
Antitrust Division, U.S. Department of Justice
1985 – 1986 · 1 yr
Administrator for information and regulatory affairs
U.S. Office of Management and Budget
1984 – 1985 · 1 yr
Deputy assistant attorney general
Antitrust Division, U.S. Department of Justice
1983 – 1984 · 1 yr
Professor of law
Harvard University
1975 – 1983 · 8 yrs
Law clerk
Hon. Thurgood Marshall, Supreme Court of the United States
1974 – 1975 · 1 yr
Law clerk
Hon. Carl McGowan, U.S. Court of Appeals for the District of Columbia Circuit
1973 – 1974 · 1 yr