Representative, Texas State House of Representatives, 1994-2013

Chair, Sunset Advisory Commission, 2001-present

Chairman, House Committee on State Affairs, present

Sergeant at Arms, Republican Caucus

Legal Counsel, Greater Lewisville Association of Realtors, 1990-present

Of Counsel, Bell, Nunnally and Martin, Limited Liability Partnership, present

Acting City Attorney, City of Denton

Assistant City Attorney, City of Denton

General Counsel, Lawyers Title Insurance Company of Denton and Lewisville

Private Law Practice, present

Alternate Municipal Judge, Lewisville and Flower Mound, 1993-1994

Presiding Municipal Judge, City of Carrollton, 1987-1993

Charter Director, Boys and Girls Club of Denton County, Incorporated

Member, Texas Conservative Coalition

President, Texas Municipal Courts Association, 1993-1994

Board of Directors, Metrocrest Division, Home and Apartment Builders Association, 1989-1992