Mark S. Werbner

Mark S. Werbner


Mark S. Werbner

Sayles Werbner co-founder Mark S. Werbner is one of the nation’s most respected trial lawyers. His practice covers a broad range of law with an emphasis on complex business litigation, white-collar criminal defense, catastrophic personal injuries and wrongful death cases. He has represented both plaintiffs and defendants in more than 150 trials heard by juries throughout Texas and across the United States. His ability to translate high-stakes, complex legal matters into easily understandable language has enabled him to achieve an extraordinary courtroom track record.

Representative Cases

Mark’s courtroom accomplishments include some of the largest jury verdicts in the country, and his work has been widely recognized by both his peers and the press. He is lead counsel for Terror Victims v. Arab Bank, a groundbreaking international terrorism lawsuit that has been featured on the Fox News Channel, Court TV, The Wall Street Journal, and other national and international media. In 2014, Mark helped convince a New York federal jury to issue liability findings against Arab Bank, clearing the way for a financial damages trial. The verdict represented the first time in U.S. history that a foreign bank has been found liable for materially supporting terrorism.

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Honors And Awards

Recognized in Chambers USA among the Leaders in Their Field in Commercial Litigation (2013-present)
Dallas Bar Association Trial Lawyer of the Year (2011)
Ranked among the Best Law Firms by U.S. News & World Report and Best Lawyers (2010 to present)
Listed in the 1999-2016 editions of The Best Lawyers in America, (Bet-the-Company Litigation, Commercial Litigation, White-Collar Criminal Defense)

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Professional Background

Board Certified in Civil Trial Law by the Texas Board of Legal Specialization
Board Certified in Criminal Law by the Texas Board of Legal Specialization
State Bar of Texas
U.S. Supreme Court
U.S. Court of Appeals for the Federal Circuit
U.S. Court of Appeals for the Fifth Circuit
U.S. Court of Appeals for the Second Circuit
U.S. District Courts for the Northern, Southern, Eastern and Western Districts of Texas
Texas State District Courts
American Bar Association
Dallas Bar Association


Southern Methodist University Dedman School of Law, J.D., cum laude
The University of Texas, B.A. with high honors 

Speaking Engagements

“Winning the Hard Cases,” Dallas Bar Association, 2017
“Trial Skills Bootcamp – Cross Examination,” Dallas Association of Young Lawyers, June 2015
“Litigating Terror Financing,” University of California Hastings School of Law, Feb. 2015
“Cross-Examination in a Criminal Case,” 6th Annual Criminal Defense Trial Skills & Trial Law Program presented by The Center for American and International Law, 2010

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