- Member, National Advisory Council for the Agency for Healthcare Research and Quality, Department of Health & Human Services, 2007-present
- Senior Health Economist, Joint Economic Committee, U.S. Senate, 2003-2006
- Director of Health Policy Studies, Cato Institute, 2000-2003
- Program Director, Economic Policy Studies, 1993-2000; Senior Policy Analyst, 1986-1992, Competitive Enterprise Institute
- Journalist (radio - news director, sports director, producer; television - producer; print - investigative reporter), 1977-1986
- Attorney, Powell, Goldstein, Frazer & Murphy, 1975-1977
J.D., Duke University Law School
B.A., political science, New York University