Leslie LeGrand, a partner, is a Houston DWI lawyer and native Houstonian who was born into the legal profession. In 1937, his grandfather began the LeGrand family tradition of practicing law in Texas courts, which he continued until he received a calling to trade in his bar card for the cloth. In addition to Leslie’s father, Leslie and his two sisters along with four cousins are members of the State Bar of Texas. Leslie defended his first accused citizen at the age of 15 as part of Harris County’s teen court.

Since then, he has become a four-time recognized Rising Star of DWI Defense Attorneys by Super Lawyers, a Thomson Reuters Service, (2011-2014) and has been recognized Super Lawyers, a Thomson Reuters service, 2014-2017. He is board-certified in Criminal Law by the Texas Board of Legal Specialization (TBLS) and has been asked to lecture at numerous DWI seminars. Leslie was also recognized as one of the 10 Best in Client Satisfaction by the American Institute of DUI/DWI Attorneys (2015). Leslie is a member of the National College of DUI Defense, the Texas Criminal Defense Lawyers Association, and the Houston Criminal Lawyers Association. Leslie’s prior experience as a Harris County prosecutor makes him one of the most sought-after Houston DWI defense attorneys.


MacKenzie McWilliams

Legal Assistant to Leslie LeGrand

Trichter & LeGrand DWI & Criminal Defense Law Firm


Before joining Trichter & LeGrand, PC, as a Houston DWI lawyer Leslie LeGrand was Assistant District Attorney, Felony Prosecutor, Harris County. He has also served as Assistant District Attorney, Juvenile Prosecutor, 315th District Court, and Chief Misdemeanor Prosecutor in County Criminal Court as well as Misdemeanor Prosecutor, Texas. He has tried a wide variety of cases at both the felony and the misdemeanor levels, including murder, aggravated sexual assault, intoxication manslaughter, aggravated robbery, aggravated assault, and DWI.

Leslie was admitted to the State Bar of Texas in 2002 and is a member of the Texas Criminal Defense Lawyers Association, the Houston Bar Association, and the Texas Young Lawyers Association. He has a pedigree that bred into him professionalism and knowledge of the courtroom. Leslie believes that good results should not be advertised for personal gain and instead, the goal should be to try to help the accused erase the incident from their lives. These attributes make him a highly sought-after Houston DWI lawyer.



  • State Bar of Texas (2002)
  • National College of DUI Defense
  • Lawyers Association
  • Harris County Criminal Lawyers Association
  • Houston Bar Association
  • Texas Young Lawyers Association
  • Board Certified in Criminal Law by the Texas Board of Legal Specialization Texas Criminal Defense


  • Driving While Intoxicated (felony and misdemeanor)
  • Intoxication Manslaughter
  • Capital Murder
  • Murder
  • Assault
  • Aggravated Assault
  • Theft
  • Possession of Controlled Substances
  • Aggravated Robbery
  • Robbery
  • Aggravated Sexual Assault of a Child
  • Sexual Assault


  • August 23, 2013: Baton Rouge, Louisiana; Louisiana Association of Criminal Defense Lawyers (LACDL), DWI Seminar, Drug Recognition Experts
  • January 24, 2013: Texas Southern University, Thurgood Marshall School of Law, Understanding Breath Testing
  • March 22, 2012: Houston Bar Association, DWI – What You Need to Know for Your Clients
  • August 2011: TCDLA Trial Tactics – The Art of War: Winning Breath Test Trial Tactics
  • May 2011: Brazoria County Bar Association, Choosing a Breath Test Defense
  • February 2007: Austin, Texas; TDCAA Prosecutor Skills Course, Faculty Advisor
  • November 2005: University of Houston Evening Law Students Association, Guest Speaker


  • Assistant District Attorney, Felony Prosecutor, Harris County, Texas 176th Criminal District Court (2004-05); 182nd Criminal District Court (2005); 230th District Court (2006) and the 351st Criminal District (2006-07): Represented the State of Texas as her prosecutor in all levels of felony trial including Murders, Aggravated Sexual Assaults, Aggravated Robberies and Intoxication Manslaughter
  • Assistant District Attorney, Juvenile Prosecutor 315th District Court (2005): Responsible for making recommendations and conducting certification hearings on all types of felony crime
  • Chief Misdemeanor Prosecutor County Criminal Court at Law 11 (2005) and County Criminal Court at Law 13 (2006): Responsible for supervising new ADA’s in trial and made sentencing recommendations on all misdemeanor cases
  • Misdemeanor Prosecutor County Criminal Court at Law 5 (2003); County Criminal Court at Law 3 (2003); County Criminal Court at Law 11 (2004); County Criminal Court at Law 8 (2004) and County Criminal Court at Law 9 (2004): Represented the State of Texas in all types of Misdemeanor cases with a heavy emphasis on DWI



  • Vermont College of Law - South Royalton, Vermont
  • Juris Doctorate (2002)


  • University of Houston
  • Bachelor of Arts (1999) Center of Medieval and Renaissance Studies, Oxford, England



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