Attorney in private practice (general law practice, Williamson County; per his campaign site)

David Oliver says on his campaign site that he served 20 years in the U.S. Marine Corps, including 5 years as a military judge, and retired in 2009 at the rank of Lieutenant Colonel². He says he has been licensed as a Texas attorney for more than 29 years and has built a general law practice in Williamson County since 2009². He is a candidate for the court, not its sitting judge; the county's Court at Law Four page lists a different person as judge³.

• Says he served 20 years in the U.S. Marine Corps, including assignments as a prosecutor, military defense counsel and court-martial trial judge, retiring in 2009 at the rank of Lieutenant Colonel (his own account)²
• Says he has built a general law practice in Williamson County covering criminal, civil, family and probate law since moving there in 2009 (his own account)²
• Says he has served on the boards of the Georgetown Chamber of Commerce, the Williamson Museum and the Williamson County Bar Association, and was the bar association's president from 2018 to 2019 (his own account)²
• Says he graduated from the University of Texas School of Law (his own account)²
• Not a sitting judge. The county's Court at Law Four page and directory list a different person as the court's judge, so he is not the incumbent³⁴.