Jon served for a dozen years as the Co-Leader of the Firm’s Commercial Litigation Practice Group and has more than 40 years’ experience trying cases, arguing appeals, and advising clients on complex litigation, as well as more than 25 years' experience as a mediator. Jon’s practice involves a broad range of commercial and corporate litigation, with an emphasis on class action defense. The Commercial Litigation group has been named a Tier 1 practice group in Best Lawyers for the past several years. He has handled complex litigation involving banking, securities, publishing, UCC, employment, antitrust, defamation, trademarks and unfair competition, real estate, trusts, and estates. Jon has also advised companies and individuals facing regulatory investigations. Jon is a seasoned mediator with extensive experience in alternative dispute resolution. He serves on the American Arbitration Association’s Roster of Mediators and is a member of the mediation panels for both the United States District Court for the Southern District of New York and the United States District Court for the Eastern District of New York. He has mediated complex commercial disputes across industries, drawing on decades of experience as both a neutral and an advocate in arbitration and mediation proceedings, as well as his experience as an advocate in diverse litigation, in order to help parties reach efficient, practical, and durable resolutions.