Delegate, Maryland State House of Delegates, District 3A, 2002-2014

Deputy Majority Whip, Maryland State House of Delegates, 2006-2007

Member, Labor Relations Board for Frederick County, 1997-2002

Member, Frederick County Charter Government Writing Board, 1991-1992

President, Board of County Commissioners, Frederick County, 1982-1986

County Commissioner, Frederick County, 1978-1986

Delegate, Democratic National Convention, 1984

Chair, Frederick County Delegation, 2011-present

Member, Joint Committee on Fair Practices and State Personnel Oversight, 2009-present

Member, State Center Executive Committee, 2009-present

Member, Joint Audit Committee, 2007-present

Vice-Chair, Joint Audit Committee, 2005-present

Steering Committee Member, Maryland Democratic Business Caucus, 2005-present

Member, Special Committee on State Employee Rights and Protections, 2005-present

Member, Maryland Legislative Sportsmen's Caucus, 2003-present

Member, Virginia-Maryland-District of Columbia Joint Legislative Commission on Interstate Transportation, 2003-present

Member, Maryland Rural Caucus, 2003-present

Member, Appropriations Committee, Maryland State House of Delegates, 2003-2013

Member, Capital Budget Subcommittee, Maryland State House of Delegates, 2007-2013

Member, Oversight Committee on Pensions, Maryland State House of Delegates, 2011-2013

Member, Oversight Committee on Personnel, Maryland State House of Delegates, 2009-2013

Chair, Public Safety and Administration Subcommittee, Maryland State House of Delegates, 2009-2013

Member, Joint Committee on Fair Practices and State Personnel Oversight, Maryland State House of Delegates, 2009-2010

Member, Joint Committee on Fair Practices, 2007-2009

Member, Advisory Committee on the Management and Protection of the State's Water Resources, 2005-2008

Vice Chair, Education and Economic Development Subcommittee, Maryland State House of Delegates, 2007-2008

Chair, Oversight Committee on Personnel of the Appropriations Committee, Maryland State House of Delegates, 2007-2008

Vice-Chair, Joint Audit Committee, Maryland State House of Delegates, 2005-2006

Member, Joint Commission on the Maryland Port Administration, 2005-2006

Member, Legislative Policy Committee, Maryland State House of Delegates, 2005-2006

Member, Special Joint Committee on Pensions, 2004-2006

Member, Transportation and the Environment Subcommittee, Maryland State House of Delegates, 2003-2006

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

Member, Advisory Committee on the Management and Protection of the State's Water Resources, 2003-2004

Member, Virginia-Maryland-District of Columbia Joint Legislative Commission on Interstate Transportation, 2003

Founder/President, Clagett Enterprises Incorporated, 1987-present

Former President, Antietam Pharmacy Corporation

High School Administrator, Frederick County Board of Education, 1970-1978

Department Chair, Mount Saint Mary's College, 1969-1970

Academic Instructor, Maryland Department of Corrections, 1968-1969

Teacher, Frederick County Board of Education, 1964-1968

Member, Board of Directors, Metropolitan Washington Council of Governments, 2011-present

Member, All Saints' Episcopal Church

Former Member, Board of Directors, Frederick County Chamber of Commerce

Chair, Board of Directors, Jefferson School

Member, Humane Society

Member, Little Boys' Book Club

Member, Men's Garden Club

Member, Optimist Club

Member, Carroll Creek Rotary Club, 1993-2002

Member, Fire/Rescue Advisory Board, Frederick County, 1997-2002

Member, Frederick Elks Club #684, 1974-2002

Member, Shepard Pratt Board of Trustees, 1996-2001

Member, Frederick Memorial Hospital Board, 1982-1986