George B. Mackey, born in Texas, was admitted to the State Bar of Texas in 1974, after having graduated from the University of Texas at Austin in 1967 with a Bachelor of Science Degree in Electrical Engineering and from St. Mary’s University School of Law in 1974 with a Juris Doctor. He served in the United States Air Force where he attained the rank of captain.

George entered law practice in the Tarrant County Criminal District Attorney’s office in Fort Worth, Texas, in October 1974, where he served for over 8 years. He achieved the status of Chief Felony Prosecutor of the 213th District Court, 297th District Court and Criminal District Court Number One during his tenure. He also served as prosecuting attorney on numerous grand juries and in County Criminal Court.

He entered private practice in January 1983. He is Board Certified by the State Bar of Texas in the area of criminal law. He is a member of the State Bar of Texas Criminal Law Section, Family Law Section and Juvenile Law Section. He is a past member of the Board of Directors of the Tarrant County Criminal Defense Lawyers Association. He is also a member of the Texas Criminal Defense Lawyers Association, Tarrant County Family Lawyers Association, and is licensed to practice in Federal Court in the Northern District of Texas and the Fifth Circuit Court of Appeals.

His experience as a trial lawyer in the District Attorney’s office consisted of a trial practice in which he tried literally hundreds of cases. The most notable case was The State of Texas v. Van Sickle, a murder case which lasted over 30 days before a jury. As a criminal defense lawyer he was lead counsel in the landmark murder case of The State of Texas v. Kelly in which the legal predicate for DNA evidence was established and has been followed and cited by the Texas Supreme Court, Texas Court of Criminal Appeals and the United States Supreme Court.