Mark Maurer was appointed as Chief Risk Officer of the company in July 2021. He previously served as Chief Executive Officer of StoneX Capital Markets LLC, the company's swap-dealer subsidiary, from October 2014 to June 2021. Mr. Maurer joined the company in 2010 following the acquisition of The Hanley Group, where he was the Head of Risk. Mr. Maurer's background is founded in risk management with a strong understanding of option portfolios, and he has been in the derivatives, futures and options industry for over fifteen years.

Charles Lyon serves as Executive Vice President - Head of Securities of StoneX Financial Inc. and oversees the broker-dealer operations of the company. Mr. Lyon has over twenty years in the securities and broker-dealer marketplace.

Philip A. Smith was appointed Chief Executive Officer of the company's Europe, Middle East and Africa ("EMEA") operations in July 2008 and in January 2015 this responsibility was expanded to include Asia. Mr. Smith joined the company in 2004 following its acquisition of Global Currencies Ltd, a U.K. foreign exchange payments company specializing in exotic and emerging market currencies, which Mr. Smith joined in 1996. Mr. Smith was elected to the Board of Global Currencies in 1999 and was also a principal shareholder. Following its acquisition in 2004 Mr. Smith became CEO of INTL Global Currencies Ltd until its consolidation into StoneX Financial Ltd in 2014. Mr. Smith is the Chief Executive Officer of StoneX Financial Ltd, with regional responsibility for EMEA and Asia.

Xuong Nguyen was appointed as Chief Operating Officer of the company in October 2015. Prior to that he served as Executive Vice President of the FCM Division of StoneX Financial Inc., a subsidiary of the company, as well as Chief Operating Officer of additional subsidiaries of the company. Mr. Nguyen was appointed Chief Executive Officer of FCStone, LLC, the company's futures commission merchant which was subsequently merged into StoneX Financial Inc., and was Chief Operating Officer of FCStone, LLC for four years prior to his appointment as CEO. Mr. Nguyen has over twenty-five years of experience in the derivatives, futures and options marketplace.