David J. Campbell

David J. Campbell

David Campbell is an experienced trial and appellate attorney. He has represented clients in trial and appellate courts throughout Texas.  He enjoys trying cases to verdict when necessary to achieve the best results for his clients.  And he works diligently to ensure that if an appeal is necessary, his client will be in a favorable position to prevail.  David has briefed and argued appeals throughout Texas.

David graduated with honors from The University of Texas School of Law, where he was inducted into the Order of the Barristers — a national organization honoring law students for oral advocacy and brief writing skills. During law school, David clerked for Justice Wainwright at the Texas Supreme Court, Justice Angelini on the Fourth Court of Appeals of Texas, and the Texas Association of School Boards. David also served as an editor for The Review of Litigation — a law journal that publishes articles related to trial and appellate advocacy, procedure, evidence, alternative dispute resolution, and substantive law.

Before joining O’Hanlon, Demerath & Castillo, David represented clients in a wide array of disputes including personal injury, wrongful death, property damages, construction defect, and insurance coverage lawsuits. David began his career by serving as a briefing attorney for the Honorable Terry Jennings, Senior Justice on the First Court of Appeals of Texas.

Since joining the firm, he has broadened his practice and provides legal advice and representation to school districts on the many legal issues they face in the course of providing educational environments that enable students to excel academically. He is admitted to practice in all state trial and appellate courts throughout Texas, in all federal district courts in Texas, and before the U.S. Court of Appeals for the Fifth Circuit.  

In addition to practicing law, David is also an adjunct professor for legal research and writing at The University School of Law. He has been teaching as an adjunct since 2014.

David and his wife have four children, who love living near their grandparents and great-grandparents. The two older children are enrolled in a local, public school that prides itself on its two-way dual language program, which fosters strong academic performance for a diverse student body in a small school setting. When he is not spending time with his family, David enjoys training for and participating in half marathons and marathons.