Memberships
•Co-chair of the Federalism Initiative, U.S. Chamber of Commerce (2001-2003)
•Federalist Society (1985 to date)
•Atlantic Council Board of Directors (2002 to date)
•American Council on Germany (New York) Board of Directors (2001-2010)
•Virginia Republican Party State Delegate (2001)
•PEW Center on Global Climate Change Board of Trustees (1999 to date)
•Mentor Forum Advisory Board (Cambridge) (1999 to date)
•Aspen Institute Berlin Kuratorium (2005-2007)
•Aspen Institute, Berlin Study Group on Germany (1986-1990)
Berlin Friends of Aspen (1998-2007)
•Bayer Foundation for Cooperative Business and Labor Law (Leverkusen) Kuratorium (1997 to date)
•Friends of the Goethe Institute, Board of Trustees (2011 to date)
•Friends of Dresden (New York) Board of Directors (1996 to date)
•International Republican Institute, Rule of Law Advisory Board (1993)
Election Observer (Bulgaria) (1997)
Parliamentary/Presidential Trainer (Indonesia) (2000)
•Virginia Viticultural Society (1995 to date)
•Representative, Joint U.S.-Panama Commission on the Environment (Panama Canal Zone) (1993-1994)
•Carnegie Endowment for International Peace, Study Group on American-European Community Relations (1993)
•U.S. Regional Environment Center for Central and Eastern Europe (Budapest) Board of Trustees (1990-1993)
•Member, U.S. Delegation, United Nations Conference on Environment and Development (UNCED) (Rio de Janeiro) (1992)
•Vice Chairman, White House Initiative on Forests for the Future (1992)
•Deputy Counsel, White House Task Force on Regulatory Relief (1985-1989)
•White House Working Group on Alternative Fuels (1985-1989)
•Austrian-American Friendship Program (1987)
•Robert Bosch Alumni Association, Vice-President (1985-1987)
•Stanford Law Review, Member (1981)