Senator, Maryland State Senate, District 9, 2004-2014

Minority Leader, Maryland State Senate, 2008-2011

Minority Whip, Maryland State Senate, 2007-2008

Council Member, Howard County Council, District 5, 1998-2004

Appointed, Senator, Maryland State Senate, October 21, 2004

Vice Chair, Board of Liquor License Commissioners, Howard County, 1999-2002

Member, Energy and Environment Committee, Southern Legislative Conference, 2008-present

Member, Maryland Rural Caucus, 2005-present

Member, Maryland Veterans Caucus, 2005-present

Chair, Commission on Civic Literacy, 2008-present

Member, Labor and Economic Development Committee, National Conference of State Legislatures, 2007-present

Member, Attorney General's Advisory Committee on Campaign Finance, 2010-2011

Member, Joint Committee on Administrative, Executive and Legislative Review, Maryland State Senate, 2007-2011

Member, Joint Committee on Base Realignment and Closure, Maryland State Senate, 2008-2011

Member, Legislative Policy Committee, Maryland State Senate, 2007-2011

Member, Spending Affordability Committee, Maryland State Senate, 2008-2011

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

Member, Task Force on the Future for Growth and Development in Maryland, 2006-2008

Member, Joint Committee on the Selection of the State Treasurer, Maryland State Senate, 2007

Member, Alcoholic Beverages Subcommittee, Maryland State Senate, 2004-2006

Member, Education, Health and Environmental Affairs Committee, Maryland State Senate, 2004-2006

Member, Environment Subcommittee, Maryland State Senate, 2004-2006

Member, Ethics and Election Law Subcommittee, Maryland State Senate, 2004-2006

Member, Procurement Subcommittee, Maryland State Senate, 2005-2006

Member, Task Force to Convene a Summit on Civic Literacy in Maryland, 2006

Member, Patuxent River Commission, 2003-2004

Vice Chair, Zoning Board, Howard County, 2003-2004

Member, Baltimore Metropolitan Council Advisory Board, 2000-2002

Chair, Board of Liquor License Commissioners, Howard County, 1998-1999

Associate, Herwig and Humphreys, Limited Liability Partnership, 2003-present

Attorney, Godwin, Erlandson, MacLaughlin, Vernon & Daney, Limited Liability Partnership, present

Co-Owner, Twin Knolls Title Company, 2006-2008

Partner, Herwig and Humphreys, Limited Liability Partnership, 1996-2003

Associate, Smith, Somerville, and Case, 1988-1991

Legal Assistant, Smith, Somerville, and Case, 1984-1988

Member, American Bar Association

Member, Baltimore City Bar Association

Member, Chapelgate Presbyterian Church

Member, District of Columbia Association of Insurance Compensation Attorneys

Member, District of Columbia Bar Association

Member, Howard County Bar Association

Member, Maryland Association of Defense Trial Counsel

Member, Maryland State Bar Association

Member, Howard County Republican Central Committee, 1990-1998

Chair, Howard County Republican Central Committee, 1992-1997

Vice Chair, Howard County Republican Central Committee, 1990-1992

Vice President, Howard County Republican Club, 1988-1989