Mark Beckett brings over thirty years of experience as counsel and arbitrator in more than 150 commercial and treaty-based disputes worldwide. Formerly the head of international arbitration and litigation at leading global firms Latham & Watkins and Cooley, he has acted in a wide range of matters spanning investor–state arbitrations, international commercial disputes, and arbitrations involving state-owned entities. Mark is particularly adept at representing investors in treaty arbitrations concerning breaches of fair and equitable treatment, expropriation, and full protection and security obligations.  

Known for combining world-class arbitration expertise with robust litigation experience, Mark has successfully handled complex commercial disputes, consumer actions, and enforcement proceedings in both state and federal courts. His practice extends across industries, including energy, infrastructure, intellectual property, technology, digital assets, and cross-border commercial agreements, under all major arbitration rules and in multiple jurisdictions. He is recognized for his creative legal strategies, persuasive advocacy, and innovative use of technology to achieve results in high-stakes disputes.  

Beyond practice, Mark has been deeply engaged in advancing the field of dispute resolution. He served as the U.S. member of the ICC International Court of Arbitration, lectured on law at Harvard Law School for over 17 years, and taught dispute resolution and law & technology as an adjunct professor at the University of Miami. He is also a published authority on third-party funding in the United States.  

Clients turn to Mark for his unparalleled combination of experience, strategic insight, and uncompromising advocacy—qualities that reflect both his distinguished career and DTL’s reputation as a boutique firm delivering world-class capabilities.