Delegate, Virginia House of Delegates, 2004-2010

Member/Chairman, Arlington County Board, 1984-1999

Chair/Member, Northern Virginia Regional Commission, 1984-present

Member, Arlington, Virginia 911 Memorial Task Force

Chair, Tenant-Landlord Commission

Chair, President's Mississippi Delta Initiative, 1999-2001

Member, White House Community Empowerment Board, 1999-2001

Member, White House Task Force on Livable Communities, 1999-2001

Chair/Member, Arlington Virginia Affordable Housing Task Force, 1999-2000

Member, National Capital Transportation Planning Board, 1997-1999

Commissioner, Virginia Housing Development Authority, 1989-1998

Policy Consultant, American Society of Landscape Architects

Partner, EB&T Strategy Group, Limited Liability Company, 2004-2005

Vice President, Greater Washington Board of Trade, 2002-2004

Deputy Assistant/Secretary for Transportation Policy, United States Department of Transportation, 1999-2001

Consultant, 2001

Deputy Director for Conservation Policy, National Parks Conservation Association, 1996-1998

Senior Director, American Institute of Architects, 1982-1996

Staff Director of Legislative Affairs, United States Senate Subcommittee on Housing and Urban Affairs, 1979-1982

Legislative Assistant, United States Senate, 1975-1979

United States Navy, 1968-1969

Member, Ashton Heights and Lyon Park Civic Associations

Member, Community Development Citizen's Advisory Committee

Co-Founder, Northern Virginia Housing Coalition

Co-Founder/Vice President, Washington Area Housing Partnership

Member, Arlington Committee of 100, 1984-2005

Member, Arlington County Chamber of Commerce, 1985-2005

Member, Arlington Kiwanis Club, 1984-1997