Representative, United States House of Representatives, District 36, 2015-present

Candidate, United States House of Representatives, Texas, District 36, 2024, 2026

Candidate, United States House of Representatives, 1996

Alderman, City Council, City of Woodville, 1981-1982, 1984-1989

Mayor, City of Woodville, 1982-1984

Chair, Committee on Science, Space, and Technology

Member, Committee on Transportation and Infrastructure

Member, Subcommittee on Water Resources and Environment

Chair, Committee on Science, Space, and Technology, United States House of Representatives

Former Member, Environment Subcommittee, United States House of Representatives

Former Member, House Transportation and Infrastructure Subcommittee on Highways and Transit

Former Chair, Space Subcommittee, United States House of Representatives

Former Member, Subcommittee on Environment (Science, Space and Technology), United States House of Representatives

Former Member, Subcommittee on Railroads, Pipelines, and Hazardous Materials, United States House of Representatives

Dentist, General Dental Practice, 1979-present

Dental Staff, Tyler County Hospital

Former Letter Carrier, United States Postal Service

Captain, United States Air Force, 1975-1979

Served, Texas National Guard/United States Army Reserve, 1969-1975

Member, American College of Dentists

Former Regional Chair, Bill Clements for Governor

Member, Board of Directors, University of Texas Dental Branch Houston Alumni Association

Member/Deacon/Sunday School Teacher, First Baptist Church of Woodville

Member, Giddeons International

Member, Gideons International

Member, International College of Dentists

Former County Chair, Reagan/Bush for President

Former Chair, Reagan/Bush for President, Region II

Member, Southeast Texas Dental Society

Former Member, State Steering Committee, George H.W. Bush for President

Former Member, Texas Dentists for Clements

Former State Chair, Texas Dentists for George W. Bush for Governor

Director/Vice President/Chair, Tyler County Chamber of Commerce

Member, Tyler County Heritage Society

Member, Woodville Lions Club

Director/President/Member, Lower Neches Valley Authority, 1999-2014

Member, Tyler County Patriots, 2008

Chair, Republican Party, Tyler County, 1990-1995

Member, Texas State Historical Commission, 1989-1995

Member, Woodville Independent School Board, 1992-1995

President, Texas State Board of Dental Examiners, 1981-1987

Member, Deep East Texas Council of Governments, 1982-1984