County Executive, Prince George's County, since December 6, 2010. Board of Visitors, R. Adams Cowley Shock Trauma Center, University of Maryland Medical System, 2010-.
Member, Local Government Subcommittee, Base Realignment and Closure Subcabinet, 2010-11; Leadership Council, Anacostia Watershed Restoration Partnership, 2010-; Fort George G. Meade Regional Growth Management Committee, 2010-. Board of Directors, Metropolitan Washington Council of Governments, 2011-. Chair, Metropolitan Washington Council of Governments Corporation, 2016-. Member, Task Force on Solar Hot Water Systems in Prince George's County, 2011; Task Force to Study Energy Generation in Prince George's County, 2013-14; Task Force to Study Locating Businesses in Libraries in Prince George's County, 2013-14.
Member of House of Delegates (Democrat), representing District 22B, Prince George's County, August 11, 1994 to January 8, 2003. Member, Environmental Matters Committee, 1994; Judiciary Committee, 1995-98 (family & juvenile law subcommittee, 1995-98); Special Committee on Drug and Alcohol Abuse, 1995-99; Appropriations Committee, 1999-2003 (transportation & the environment subcommittee, 2002-03; public safety & administration subcommittee, 2001-02; health & human resources subcommittee, 1999-2000; oversight committee on personnel, 1999-2003; oversight committee on program open space & agricultural land preservation, 1999-2003; vice-chair, capital budget subcommittee, 2001-03); Spending Affordability Committee, 2001-03. Chair, Prince George's County Delegation, 1999-2003 (law enforcement & state-appointed boards committee; vice-chair, bi-county committee, 1994-96). Member, Maryland Legislative Black Caucus, 1994-2003 (member, law & justice committee, 2000-03).
Member, Commission on the Future of Maryland Courts, 1995-97; Implementation Task Force for Child Support Enforcement Procedures, Department of Human Resources, 1997-98; Task Force on the Privatization of the Washington Suburban Sanitary Commission, 1998-99; Virginia-Maryland-District of Columbia Joint Legislative Commission on Interstate Transportation, 2000-03.
Member, Task Force on the Education of African-American Males, 2003-06.