Jonathan Marcus is the senior managing director and general counsel at CME Group. He was named to that position in October of 2022, succeeding Kathleen Cronin, who had held the post since 2007. He serves as the chief legal advisor for CME Group and oversees the company's compliance, enterprise risk management, legal and market regulation functions. He reports to CME Group Chairman and Chief Executive Officer Terry Duffy.
Marcus most recently worked in private practice as a partner at Reed Smith, LLP, in Washington, D.C., specializing in derivatives regulation, litigation and enforcement. At Reed Smith, he also litigated private suits involving the derivatives and commodities markets in federal district and appellate courts, and was a member of the firm’s Crypto and Digital Assets Group.
He previously served as general counsel of the U.S. Commodity Futures Trading Commission (CFTC) from 2013 to 2017, advising the commission on a number of issues, including implementation of the Dodd-Frank Act and digital asset regulation.
He also served as the CFTC's deputy general counsel for litigation and as an assistant to the solicitor general of the U.S., as well as holding senior roles in Skadden, Arps, Slate, Meagher & Flom's Derivatives Group and Covington & Burling's Appellate and Supreme Court Group.
He started his career as a clerk for Judge José A. Cabranes of the U.S. Court of Appeals for the Second Circuit.
Marcus earned a bachelor's degree from Yale and a J.D. from Yale Law School.
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