Xuong Nguyen was appointed as Chief Operating Officer of StoneX 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.