Marex names John Pietrowicz board chair as Robert Pickering steps down
MRX•Robert Pickering will step down as Marex chair on Oct. 6, 2026, ending his three-year term. The board named John Pietrowicz, who joined in April 2024, as chair.
1. Chair transition
Marex said Robert Pickering will step down as chair on Oct. 6, 2026, ending his three-year term. John Pietrowicz, who joined the board in April 2024 and chairs its Mergers and Acquisitions Committee, was named chair.




