Mark E. Torian
Mark E. Torian

Mark E. Torian


Mark E. Torian

Mark represents plaintiffs and defendants in business litigation disputes heard in state and federal courts and arbitration proceedings. His experience includes cases involving breach of fiduciary duty, fraudulent or negligent misrepresentation, misappropriation of trade secrets, securities violations, civil theft, shareholder derivative rights, partnership breakups, and oil and gas disputes. Mark also prosecutes and defends claims for personal injury or wrongful death, as well as represents individuals and entities in state and federal white-collar criminal investigations conducted by the Texas Department of Insurance, Internal Revenue Service, Securities and Exchange Commission, and U.S. Department of Justice.

Mark previously served in the United States Marine Corps, where he was assigned to Diplomatic Security with the U.S. State Department at U.S. embassies and consulates around the world.

Practice Areas: Complex Business Cases, Catastrophic Death & Personal Injury Cases, Product Liability, Mass Tort, Securities Litigation, Partnership Disputes, Oil and Gas Litigation, White-Collar Criminal Defense 

Representative Cases

An experienced litigator, Mark has tried more than 20 criminal and civil lawsuits to verdict. Examples of his litigation experience include:

Complex Business Cases:

  • AerReach, et al., v. Stanford, et al. – Successfully represented plaintiffs in a multi-million dollar business fraud, breach of fiduciary duty, and commercial bribery case against United Technologies Corporation and other defendants

  • Successful defense of insurer in a breach-of-contract lawsuit brought by an international hotel chain seeking business interruption losses for all hotels in North America and the Caribbean following September 11 terrorist attacks.

  • Successful defense of New York City hedge fund in significant lawsuit where Plaintiff sought damages in excess of $7 billion.
  • Favorable settlement for named plaintiffs in shareholder derivative lawsuit concerning fraud and breach of fiduciary duties of officers and directors of Delaware company. 
View More Cases >>

Professional Background

U.S. District Court for the Northern, Eastern and Southern Districts of Texas
Texas State District Courts
Dallas Bar Association
Before joining Sayles Werbner, Mark practiced at the law firms of Fulbright & Jaworski, LLP and Lynn Tillotson & Pinker, LLP


University of Arkansas School of Law, J.D., magna cum laude, member Law Review
University of Central Arkansas, B.A., magna cum laude


“Protecting Plaintiffs’ Wins from the IRS,” Texas Lawyer, June 2014