His practice includes complex commercial litigation as well as catastrophic personal injury and death cases, representing both plaintiffs and defendants. He has tried more than 150 civil jury trials to verdict. He is Board Certified in Personal Injury Trial Law by the Texas Board of Legal Specialization and Board Certified as a Civil Trial Advocate and as a Civil Pretrial Practice Advocate by the National Board of Trial Advocacy. Mr. Sifford has served as an arbitrator in complex securities cases and disputes involving pharmaceuticals and medical devices and is an experienced mediator. He served as an adjunct professor of trial advocacy at the Southern Methodist University – Dedman School of Law for 20 years.