Comptroller of Public Accounts, State of Texas, 2007-2014

Agricultural Commissioner, State of Texas, 1998-2007

Representative, Texas State House of Representatives, 1993-1996

Co-Chair, National Association of State Departments of Agriculture Tri National Accord, United States-Mexico Working Group

Chair, Texas Agriculture Policy Board

Rancher, Brewster County

Former Assistant District Attorney, City of Dallas, Texas

Experience, Former International Advertising

Former State Director, United States Senator Kay Bailey Hutchison

Member, Board of Directors, Texas Beef Council

Member, Board of Directors, Texas Production Credit Association

Member, Independent Cattlemen's Association of Texas

Member, National Advisory Board, Texas Wild

Member, Texas Farm Bureau

Board Member, Texas Natural Resources Foundation

Board Member, Texas Wildlife Association

Board Member, Texas and Southwestern Cattle Raisers Association