Former Majority Caucus Chair, Maryland State Senate

Senator, Maryland State Senate, District 23, 2006-2021

Majority Leader, Maryland State Senate, 2016-2018

Council Member, Prince George's County Council, District 4, 2002-2006

Council Member, Bowie City Council, 1998-2002

Mayor Pro Tempore, Bowie City Council, 2000-2002

Former Member, Administrative, Executive, and Legislative Review (AELR) Committee, Maryland State Senate

Former Member, Audit and Evaluation Committee, Maryland State Senate

Former Member, Behavioral Health and Opioid Use Disorders Committee, Maryland State House of Delegates

Former Member, Budget and Taxation Committee, Maryland State House of Delegates

Former Senate Chair, Commission on Maryland Retirement Security and Savings, Maryland State Senate

Former Member, Education, Business and Administration Subcommittee, Maryland State Senate

Former Member, Executive Nominations Committee, Maryland State House of Delegates

Former Member, Executive Nominations Committee, Maryland State House of Delegates

Former Member, Federal Relations Committee, Maryland State Senate

Former Member, Health and Human Services Subcommittee of the Budget and Taxation Committee, Maryland State Senate

Former Member, Health, Education and Human Resources Subcommittee, Maryland State Senate

Former Member, Joint Audit Committee, Maryland State Senate

Former Chair, Joint Committee on Access to Mental Health Services, Maryland General Assembly

Former Member, Joint Committee on Base Realignment and Closure, Maryland State Senate

Former Senate Chair, Joint Committee on Pensions, Maryland General Assembly

Former Chair, Legislative Information Technology and Open Government Committee, Maryland State Senate

Former Member, Marijuana Legalization Workgroup , Maryland State House of Delegates

Former Chair, Pensions Subcommittee of the Budget and Taxation Committee, Maryland State Senate

Former Co-Chair, Protocol Committee, Maryland State Senate

Former Member, Special Committee on Substance Abuse, Maryland State Senate

Former Member, Special Joint Committee on Pensions, Maryland State Senate

Former Member, Spending Affordability Committee, Maryland State House of Delegates

Former Chair, Subcommittee on Capital Budget, Maryland State House of Delegates

Former Member, Subcommittee on Pensions, Maryland State Senate

Former Chair, Subcommittee on Public Safety, Transportation, and Environment, Maryland State Senate

Former Member, Tax Credit Evaluation Committee, Maryland State House of Delegates

Former Member, Workgroup on the Assessment and Funding of School Facilities, Maryland State Senate

Principal, Metropolitan Archives, Limited Liability Company

President/Chief Executive Officer, The Peters Group

Captain, United States Army Reserve, 1990-1991

Member, Maryland Correctional Enterprises Management Council, 2019-present

Member, Rural Maryland Council, 2019-present

Member, Special Olympics Maryland, Board of Directors, 2019-present

Member, The Arc of Maryland, Board of Directors, 2019-present

Chair, Senate Select Committee No. 7, Prince George's County, 2009-present

Member, DeMatha Catholic High School Foundation Board, 2004-present

Member, Steering Committee, DeMatha Catholic High School, 2004-present

Volunteer, Bowie Interfaith Community Food Pantry

Former Member, Bowie State University Foundation, Board of Directors

Former Chair, Corporate Gifts Committee, Doctor's Community Hospital Foundation

Board Member, Elizabeth Seton High School Board

Member, Fiscal Affairs and Government Operations Committee, Southern Legislative Conference, 2008-present

Chair, Georges County Senate Delegation

Member, Knights of Columbus

Member, Maryland Chamber of Commerce

Public Safety Policy Committee, Metropolitan Washington Council of Governments

Former Member, National Capital Region Emergency Preparedness Council, Metropolitan Washington Council of Governments

Member, President’s Advisory Committee Greater Baltimore Committee

Former County Council Liaison, Prince George's County Municipal Association

Former President, Saint Pius X Home and School Association

Post Number 8065, Veterans of Foreign Wars

Member, Prince George's County School Construction Master Plan Work group, 2018-2019

Member, Governor's Workforce Investment Board, 2015-2018

Member, State Board of Spinal Cord Injury Research, 2007-2017

Member, Justice Reinvestment Coordinating Council, 2015-2016

Chair/Vice-Chair, Prince George's County Delegation, 2008-2016

Member, Work Group to Study the Feasibility of Building a Multi-Sport Stadium, 2014-2015

Member, Veterans Behavioral Health Advisory Board, 2008-2011

Member, Commission to Study Title Insurance Industry in Maryland, 2008-2010

Member, Task Force to Study Locations in Prince George's County Best Suited for Use by State Agencies, 2008-2009

Assistant Football Coach, Bowie Boys and Girls Club, 2002-2008

Member, Task Force to Study State Assistance to Veterans, 2007-2008

Member, Task Force to Study Thoroughbred Horse Racing at Rosecroft Raceway, 2008

Member, Task Force to Study Rent Stabilization for the Elderly in Prince George's County, 2007

Member, Health, Education and Human Services Committee, County Council, Prince George's County, 2002-2006

Vice Chair, Planning, Zoning and Economic Development Committee, County Council, Prince George's County, 2004-2006

Chair, Public Safety and Fiscal Management Committee, County Council, Prince George's County, 2004-2006

Public Schools Management Oversight Panel, Prince George's County, 1998-2002

President, Prince George's County Chamber of Commerce, 2000-2001

Former Member, Greater Bowie Chamber of Commerce Board, 1997-2000

Member, Prince George's County Commission, 2000

Post Commander, Post Number 66, American Legion, 1997-1998

President, Prince George's County Board of Trade, 1988-1989