Gregory J. Houlton is a former lead prosecutor with the Harris County District Attorney’s office where he had served as District Court Chief responsible for supervising a team that handles more than 1,000 criminal cases at any given time.

During his tenure as an Assistant District Attorney, he tried more than 50 jury trials including capital murders, murders, adult and child sexual assaults, aggravated robberies, large quantity drug possession cases, and DWIs.

He gained proficiency in all phases of criminal prosecutions including the drafting of grand jury subpoenas, drafting motions and court orders, drafting search warrants, making complex filing decisions, grand jury case presentations, handling pre-trial hearings, plea negotiations, and trials.

Prior to joining the HCDA, Greg was a summer law clerk at The Welscher Law Firm in Houston where he worked in civil litigation in all areas from conducting initial client interviews to drafting and editing both an Appellant and Appellee brief in a dual-appeal.

He served as an intern with The First Court of Appeals, was an account manager with The MedLeh Group and served as a Legislative Aide with the State of Texas where he performed detailed bill analysis used for recommendation of the Senator’s vote during the 78th legislative session.

Greg received his J.D. from the South Texas College of Law where he graduated in the top 10% Cum Laude, Order of the Lytae. 

He also holds a Bachelor’s of Science degree in Business Marketing with a minor in International Studies from the University of Houston where he also played football for the University of Houston Cougars.

Houston DWI Lawyer - Trichter & LeGrand, PC


  • Driving While Intoxicated (felony and misdemeanor)
  • Intoxication Manslaughter
  • Intoxication Assault
  • DWI With Child
  • Driving Under The Influence
  • Boating While Intoxicated
  • Possession of Controlled Substances
  • Possession of Marijuana
  • Capital Murder
  • Murder
  • Aggravated Assault
  • Assault
  • Aggravated Robbery
  • Robbery
  • Theft
  • Aggravated Sexual Assault of a Child
  • Sexual Assault


  • June 2019 - ACS Forensic Chromatography Course (Blood School)
  • April 2015 - TDCAA-Homicide School
  • June 2013 - NDAA- Career Prosecutor School
  • April 2013 - TDCAA Annual update- The nuts and bolts of jury selection
  • July 2009 - TDCAA- Prosecutor Trial skills course


  • J.D., South Texas College of Law, Houston, Texas, December 2008
  • Achievements: Top 10%, Cum Laude, Order of the Lytae
  • B.S., University of Houston, Houston, Texas, May 2003
  • Business Marketing with a minor in International Studies
  • Activities: Collegiate football player for The University of Houston
Leslie Allen
Legal Assistant to Greg Houlton
leslie-Allen-Legal Assistant


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