Gabriel’s law school honors include graduating magna cum laude and as a member of the Order of Lytae. While in law school he also served as a Texas Aggie Bar Association representative for the Aggie Law Student Association, a member of the Dean’s Advisory Board, the student representative for the school’s Free Speech Policy Committee, and as an articles editor of the South Texas Law Review. In college, Gabriel was a member of the Corps of Cadets at Texas A&M, where he served as the artillery officer for Parson’s Mounted Cavalry.