Warren Postman

Warren Postman is the Managing Partner of Keller Postman LLC. He combines a deep understanding of the civil litigation system with broad substantive expertise to solve complex litigation challenges for the firm’s clients.

Warren has helped build Keller Postman’s arbitration practice, which devotes unparalleled resources to resolving the claims of consumers and employees who are subject to forced arbitration clauses. The firm’s commitment to arbitration allows it to aggressively pursue individual arbitrations for tens of thousands of clients simultaneously and, as described by the New York Times, has left defendants “scared to death.” Warren has won numerous precedent-setting victories requiring defendants to comply with their obligation to arbitrate under agreements they drafted.

Due in large part to the arbitration practice Warren has built at Keller Postman, the rise of “mass arbitrations” has been one of the most significant recent developments in civil litigation. In the last two years alone, Keller Postman has secured millions in settlements for more than 500,000 individual clients.

Warren served as a law clerk for Justice David H. Souter at the Supreme Court of the United States and Judge William A. Fletcher at the U.S. Court of Appeals for the Ninth Circuit. He graduated magna cum laude from Harvard Law School, where he was Articles Editor in the Harvard Law Review, and graduated magna cum laude and Phi Beta Kappa from Brandeis University.