 Member, Bi-County Committee, Prince George's County Delegation, 2003–05, 2013-, chair, 1999-2002 (county affairs committee, 1995–98, 2008; law enforcement & state-appointed boards committee, 2006–07, 2012; Maryland-national capital park & planning commission committee, 2008–11).Member, Legislative Black Caucus of Maryland (formerly Maryland Legislative Black Caucus), 1995- (environmental committee, 2000); Maryland Bicycle and Pedestrian Caucus, 2003-.Member, National Conference of State Legislatures (energy & electric utilities committee, 2005–07; agriculture, environment & energy committee, 2007–08; agriculture & energy committee, 2008-; environment committee, 2008-).