Commissioner of Education, State of Texas, 2012-2015

Chair, Railroad Commission, State of Texas, 1999-2003, 2007-2009, 2010-2012

Railroad Commissioner, State of Texas, 1998-2012

Appointed by Governor Perry, Commissioner of Education, State of Texas, September 1, 2012

Candidate, United States House of Representatives, District 25, 2012

Appointed, Railroad Commissioner, State of Texas, 1998

Chair, Governor's Clean Coal Technology Council, 2002-present

Member, Alternative Fuels Council

Member, Coastal Coordination Council

Chair, Governor's Competitiveness Council

Member, Interstate Mining Compact Commission

Member, Public Outreach Committee, Interstate Oil and Gas Compact Commission

Member, Southern States Energy Board

Chair, Texas Juvenile Probation Commission

Assistant District Attorney, Midland, Texas

General Counsel, Republican Party of Texas

Adjunct Professor, School of Public Affairs, Texas Southern University

Adjunct Professor, Texas Wesleyan School of Law

Assistant Secretary of Education for Civil Rights, United States Department of Education

Deputy Assistant Secretary for Law Enforcement, United States Department of the Treasury

Of Counsel, Haynes and Boone Limited Liability Partnership, 1993-1996

Special Assistant, United States Attorney General, Richard Thornburgh, 1988-1989

Federal Prosecutor, 1984-1988

Former Honorary Chair, Big Brothers Big Sisters, Texas

Member, Board of Directors, Arlington Chamber of Commerce

Member, Board of Directors, Our Mother of Mercy Catholic School

Member, Board of Directors, Texas Public Policy Foundation

Member, Most Sacred Sacrament Catholic Church

Member, National Coal Coalition

Creator/Co-Sponsor, Williams Future Innovators