Senator, Texas State Senate, District 27, 1991-2023

Candidate, Texas State Senate, District 27, 2020

President Pro Tempore, Texas State Senate, District 27, 2003-2004

Representative, Texas State House of Representatives, 1986-1990

Member, Board of Commissioners, Cameron County, 1979-1982

Treasurer, Cameron County, 1970

Former Member, Committee of the Whole Senate, Texas State Senate

Former Member, Government Organization Committee, Texas State Senate

Former Chair, Intergovernmental Relations Committee, Texas State Senate

Former Chair, International Relations and Trade Committee, Texas State Senate

Former Member, Natural Resources & Economic Development Committee, Texas State Senate

Former Member, Select Committee on Redistricting, Texas State Senate

Former Member, Subcommittee on Articles VI and VII, Texas State Senate

Former Member, Subcommittee on Border Security, Texas State Senate

Former Member, Subcommittee on Public Education Funding, Texas State Senate

Former Member, Subcommittee on Public Safety, Texas State Senate

Former Member, Veteran Affairs & Border Security Committee, Texas State Senate

Former Member, Veteran Affairs and Military Installations Committee, Texas State Senate

President/Chief Executive Officer, Rio Shelters, Incorporated, 1985-present

Former Educator/Coach, Brownsville Independent School District

Member, Brownsville War on Drugs

Member, Civil Air Patrol

Member, Committee of the National Conference of State Legislatures

Member, Knights of Columbus

Member, Lions Club

Member, National Federation of Independent Businesses (NFIB)

Member, Southern Legislative Conferences