Wes Ball received his law degree in 1980 from Texas Tech University School of Law and joined the Tarrant County District Attorney's Office as a prosecutor at that time. While in the DA's office, he prosecuted cases in both Felony and Misdemeanor courts. He was a Chief Felony Court Prosecutor, and later, the Chief of the Misdemeanor and Juvenile Trial Section. He left the DA's Office in 1987 and became a founding partner of Ball, Hase & Wisch, which in 1995 became Ball & Hase.
He is active in the Tarrant County Criminal Defense Lawyers Association, and was President in 1994. He is also a member of the National Association of Criminal Defense Lawyers as well as the Texas Criminal Defense Lawyers Association and the Arlington Bar Association.