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Brian is a trial lawyer and business counselor who represents businesses and high-net-worth individuals throughout Texas and the United States involving a wide variety of matters, including commercial, trust, estate, and fiduciary disputes. His clients have included businesses of all sizes, including Fortune 500 companies, as well as individuals. He litigates disputes including breach of contract claims, trust and estate disputes, real estate disputes, employment disputes, fraud claims, breach of fiduciary duty claims, product liability claims, catastrophic personal injury and wrongful death claims, premises liability claims, insurance coverage disputes, and aviation matters.



  • Trial counsel for business owners involved in a multimillion-dollar frac sand dispute that resulted in a financial settlement.°
  • Obtained dismissal of one of the largest probate and estate claims in North Texas.°
  • Obtained dismissal as lead trial/bankruptcy counsel of National Rifle Association of America’s Chapter 11 filing following a 12-day bench trial with 23 witnesses.°
  • Obtained multimillion-dollar settlement relating to corporate trustee’s breach of fiduciary duties.°
  • Obtained financial settlement in multimillion-dollar construction defect dispute regarding natural gas pipeline.°
  • Trial counsel for $22 million judgment in sexual assault/dram shop case following bench trial (largest bench trial verdict in Texas - 2015).°
  • Obtained complete plaintiff's verdict in multimillion-dollar will contest where the jury found the testator lacked testamentary capacity and was unduly influenced to sign the will. The jury awarded client all attorneys' fees and expenses.°
  • Secured $1.35 million verdict on behalf of Denmark woman in fraudulent real estate transaction against estranged husband and title company involving luxury condominium.°
  • Obtained financial settlement on behalf of hotel management company in a breach of contract and tortious interference dispute in Arizona involving the formation of a competing hotel management company.°
  • Represented the largest automobile manufacturers in the world in complex product liability litigation, including class actions and multidistrict litigation.°
  • Secured settlement in a breach of contract dispute on behalf of a business jet owner in North Carolina.°
  • Defended local crane manufacturing company in wrongful death lawsuit in Iowa involving falling crane. Obtained settlement for client three days before trial.°
  • Obtained verdict on behalf of a large Texas hotel involving a breach of contract dispute with roofing company.°
  • Secured settlement on behalf of a consumer asset management company involving the purchase of delinquent debt.°
  • Obtained settlement for wrongfully terminated corporate director.°

°The above representations were handled by Mr. Mason prior to his joining Greenberg Traurig, LLP.

  • Judicial Intern, Hon. Federal Magistrate Judge Don Bush, U.S. District Court for the Eastern District of Texas, 2010

Recognition & Leadership

  • Listed, The Best Lawyers in America, "Ones to Watch," Commercial Litigation, 2021-2024
  • Listed, D Magazine, “Best Lawyers Under 40 in Dallas,” 2019-2023
  • Listed, Super Lawyers magazine, Texas Super Lawyers, “Rising Star,” 2016-2022
  • Member, Dallas Association of Young Lawyers
  • Member, Dallas Bar Association
  • Member, State Bar of Texas


  • J.D., cum laude, Southern Methodist University Dedman School of Law
    • Member, Science & Technology Law Review
  • B.B.A., cum laude, Mississippi State University
  • Texas