Jonathan Marcus Steps Down as General Counsel of CME Group

Jonathan Marcus left the role of General Counsel at CME Group on September 9, 2026, according to an SEC filing.

CME Group announced on September 9, 2026 that Jonathan Marcus is stepping down as General Counsel, a post he had held since 2022. Associate General Counsel John Marchese was promoted to succeed him later in September. (Source: an SEC filing.)

Jonathan Marcus on LinkedIn

More legal leadership moves at CME Group

• John Marchese Named General Counsel of CME Group (September 9, 2026)
• Jonathan Marcus Named General Counsel of CME Group (October 18, 2022)

Other general counsel moves in September 2026

• Ignacio J. Walker Leaves Senior Vice President and Chief Legal Officer Role at Avery Dennison (September 30, 2026)
• Don Liu Steps Down as Chief Legal Officer of Flutter Entertainment (September 28, 2026)
• Jonathan Dorfman Named Chief Legal Officer and Secretary of Teladoc Health (September 25, 2026)
• Da-Wai Hu Named Executive Vice President, General Counsel and Secretary of Live Nation Entertainment (September 25, 2026)
• Adam C. Vandervoort Leaves Chief Legal Officer and Secretary Role at Teladoc Health (September 24, 2026)
• Rachel Morgan Named Chief Legal and Administrative Officer & Corporate Secretary of Dave & Buster’s Entertainment (September 21, 2026)
• Jamaal T. Lesane Named Executive Vice President and Chief Legal Officer of Madison Square Garden Sports (September 21, 2026)
• Patrick J. Murphy Named Chief Legal Officer and Corporate Secretary of PACS Group (September 21, 2026)

Browse every appointment in the General Counsel Directory.

Source: an SEC filing. InhouseBlog summarizes publicly reported general counsel moves and links to the original report.

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