A sixth-generation Texan, Judge Arnold has lived and served in Williamson County since 1998. He took office as Judge of County Court Three in December 2010. Prior to serving as a judge, he served as an Assistant District Attorney in Williamson County from 1998-2010 and in Harris County from 1994-1998. Before he became a prosecutor, he worked at the Texas Court of Criminal Appeals from 1993-94 as a briefing attorney to Judge Charles Campbell.
Judge Arnold graduated from Seguin High School in Seguin, Texas in 1986. He obtained a bachelor’s degree in History from the University of Texas at Austin in 1990. He received his law degree from Vanderbilt University in 1993.
Judge Arnold is board certified as an attorney in criminal law and criminal appeals. He has repeatedly trained judges, attorneys, police officers, probation officers, and others on various aspects of law, trials, and appeals. He has also written articles and papers on a variety of legal topics.
Judge Arnold has served the community as a coach, board member, and volunteer. Some of the organizations he has worked with are the Williamson Museum, Georgetown Dribblers, Georgetown High School Tennis and Cross-Country Booster Clubs, and various churches.
Judge Arnold lives in Georgetown with his wife Jamie, a psychology professor. They have two children in college, Drew and Dan. They are active members of First Presbyterian Church in Georgetown. In his spare time, Judge Arnold enjoys tennis, hiking, and reading.