FacultyFaculty/Author Profile

Jonathan B. Marks


Bethesda, MD, USA

Jonathan B. Marks specializes in the resolution of complex commercial disputes.  Over the past 30 years, he has arbitrated and mediated more than 1,500 major disputes.

Mr. Marks is the principal of MarksADR, LLC, an arbitration, mediation and ADR provider in Bethesda, MD, which he founded in 1999.  In 1981, Mr. Marks co-founded ENDISPUTE, Inc., the nation's first provider of a full range of dispute resolution and management services.  After  ENDISPUTE, Inc. merged with Judicial Arbitration and Mediation Services (“JAMS”) in 1994, Mr. Marks served as the Vice-Chairman and Chairman of the firm’s Executive Committee, which set professional practice policies for the firm’s nationwide panel of former judges and attorney-neutrals.  Mr. Marks’ involvement in Alternative Dispute Resolution started in 1977 when he helped invent the "mini-trial."

Before founding ENDISPUTE, Inc., Mr. Marks was General Counsel of the United States International Development Cooperation Agency, Counsel and Associate Director of the Peace Corps, a partner at Munger, Tolles & Olson, and an Assistant United States Attorney for the District of Columbia. 

Mr. Marks received a J.D. degree from Harvard Law School in 1972, where he was President of the Law Review. He holds a B.A. in Biology from Harvard College (1966).  Before attending law school he served in the Peace Corps for two years. During and after law school, he was a commissioned officer in the Massachusetts National Guard.

Mr. Marks is a member of CPR’s National Panel of Neutrals and other CPR Panels. He is also a member of the NFL’s Non-Injury Grievance Arbitration Panel.

Mr. Marks has developed and participated in workshops, training programs, and conferences on negotiation, legal decision-making and risk analysis, dispute resolution, mediation, litigation, and legal management.  Over the past 30 years, he has designed and filled a faculty role in over 100 workshops and other programs for corporations, government agencies, law firms, bar associations, and judicial conferences.  

Areas of Expertise:

Mr. Marks has concentrated on complex, large stakes disputes -- including those involving securities, antitrust and consumer class actions; commercial and government contracts; insurance and reinsurance coverage; construction; investments; officer and director liability; lawyer and accountant malpractice; environmental matters; patents and patent licenses, and product liability disputes. He co-mediated settlements of United States v. Microsoft and the Visa/MasterCard antitrust cases.


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