Gary graduated from Texas Tech University School of Law in 1982. He is Board Certified in Criminal Law by the Texas Board of Legal Specialization. He has practiced in all levels of state and federal courts including the US Supreme Court. After nine years as an Assistant District Attorney of Tarrant County, he has practiced criminal defense for over 23 years. He is a frequent seminar speaker on criminal law topics in Texas and has won jury acquittals for all levels of crime including capital murder.
Gary was the 2014 president of the Tarrant County Criminal Defense Lawyers Association and has been active in the Tarrant County Bar Association having served several years on the Bench-Bar Committee. He served three years on the District Seven Grievance Committee and was Committee Chair July 2011 through June 2102. He is also a founding member of the DUI Defense Lawyers Association and the Texas DWI Defense Lawyers Association. He previously served the State Bar of Texas on the Penal Code and Code of Criminal Procedure Committee.