Delegate, Maryland State House of Delegates, District 43, 1992-2023

Majority Leader, Maryland State House of Delegates, 2001-2002

Deputy Majority Whip, Maryland State House of Delegates, 1995-1998

Candidate, Maryland State House of Delegates, District 43, 1998

Appointed, Maryland State House of Delegates, District 43, 1992

Member, Maryland Veterans Caucus, 2005-present

Member, Agriculture and Energy Committee, National Conference of State Legislatures, 2008-present

Former Member, Blueprint for Maryland's Future Funding Formula Workgroup, Maryland House of Delegates

Chair, Chesapeake Bay Commission, 2013-present

Former Member, Commission on Innovation and Excellence in Education, Maryland House of Delegates

Member, Environment Committee, National Conference of State Legislatures, 2008-present

Member, House Democratic Research Group

Former Member, Legislative Policy Committee, Maryland House of Delegates

Former Member, Spending Affordability Committee, Maryland House of Delegates

Former Member, Subcommittee on Management, Maryland State House of Delegates

Vice Chair, Chesapeake Bay Commission, 2012

Member, Task Force on Sustainable Growth and Wastewater Disposal, 2011

Member, Joint Legislative Workgroup to Study State, County, and Municipal Fiscal Relationships, Maryland State House of Delegates, 2009-2010

Member, Agriculture, Environment and Energy Committee, National Conference of State Legislatures, 2007-2008

Member, Environment and Natural Resources Committee, National Conference of State Legislatures, 2005-2007

Member, Special Committee on State Employee Rights and Protections, Maryland State House of Delegates, 2005-2007

Member, Steering Committee, Transit Funding Study, 2006-2007

House Co-Chair, Agricultural Stewardship Commission, 2005-2006

Member, Joint Commission on the Maryland Port Administration, Maryland State House off Delegates, 2005-2006

Member, Federal Air Quality Standards Attainment Plan Task Force, Department of the Environment, 2003-2004

Member, Special Committee on Higher Education Affordability and Accessibility, Maryland State House of Delegates, 2003-2004

Member, Commerce and Government Matters Committee, Maryland State House of Delegates, 1999-2003

Acting Chair, Environmental Restoration and Development Task Force, 2003

Chair, Financial Institutions Subcommittee, Maryland State House of Delegates, 1999-2003

Member, Fine Arts Education Advisory Panel, State Department of Education, 2003

House Chair, Joint Advisory Committee on Legislative Data Systems, Maryland State House of Delegates, 2002-2003

Member, Joint Committee on Fair Practices, Maryland State House of Delegates, 1997-2002

Member, Joint Committee on the Selection of the State Treasurer, Maryland State House of Delegates, 2002

Member, Speaker's Advisory Committee on Legislative Redistricting, Maryland State House of Delegates, 2001-2002

Member, Special Committee on Gaming, Maryland State House of Delegates, 2001

Member, Spending Affordability Committee, Mayrland State House of Delegates, 2001

Co-Chair, Task Force to Study Modernization of Credit Union Law, 1999-2001

Vice Chair, Commerce and Government Matters Committee, Maryland State House of Delegates, 1999-2000

Member, Study Commission on Lobbyist Ethics, 1999-2000

Co-Chair, Joint Committee on Fair Practices, Maryland State House of Delegates, 1997-1999

Member, Appropriations Committee, Maryland State House of Delegates, 1993-1998

Member, Capital Budget Subcommittee, Maryland State House of Delegates, 1995-1998

Member, Education and Economic Development Subcommittee, Maryland State House of Delegates, 1995-1998

Chair, Oversight Committee on Personnel, Maryland State House of Delegates, 1995-1998

Member, Oversight Committee on Program Open Space and Agricultural Land Preservation, Maryland State House of Delegates, 1993-1998

Member, Governor's Task Force to Reform the State Personnel Management System, 1995-1996

Chair, House Democratic Research Group, 1994-1995

Member, Governor's Commission on Welfare Policy, 1994

Member, Governor's Committee on Employment of People with Disabilities, 1994

Member, Human Resources and Public Safety Subcommittee, Maryland State House of Delegates, 1993-1994

Member, Economic Matters Committee, Maryland State House of Delegates, 1992

Associate for Federal Relations, Johns Hopkins University, 1992-2014

Campaign Manager/State Director, United States Senator Barbara A. Mikulski, 1988-1992

Director, Pre-Retirement Education, Commission on Aging and Retirement Education, 1985-1988

Community Service Planner/Grants Analyst, Commission on Aging and Retirement Education, Baltimore City, 1979-1985

Adjunct Instructor, Cantonsville Community College, 1978-1979

Administrator/Instructor, Baltimore City Public Schools, 1972-1978

Member, Board of Trustees, Maryland Historical Trust, 2004-present

Member, Board of Directors, Marion House, 1996-present

Member, Board of Directors, Action in Maturity, 1995-present

Member, Board of Directors, Ready at Five, 1995-present

Member, Advisory Board, North East Development Alliance (NEDA)

Member, Board of Directors, New Democratic Club

Second Vice Chair, Democratic State Central Committee, 2011-present

Honorary Board Member, Joanna M. Nicolay Melanoma Foundation

Member, Board of Directors, Harry R. Hughes Center for Agro-Ecology, 2005-2015

Member, Board of Directors, Baltimore-Chesapeake Bay Outward Bound Center, 2005-2011

Member, Board of Directors, Union Memorial Hospital, 2005-2008

Delegate, Democratic Party National Convention, 2008

Honorary Board Member, AIDSWALK Maryland, 2005

Member, Board of Trustees, Maryland Center for Agro-Ecology Incorporated, 2004

Honorary Board Member, Baltimore Neighborhoods Incorporated, 2003

Member, Democratic State Central Committee, 1986-1994

Member, New Democratic Club, 1976-1987

Member, Board of Directors, Penn North Charles Planning Council, 1980

Delegate, Democratic Party National Convention, 1980

Member, Board of Directors, Greater Homewood Community Corporation, 1976-1979