• Sean M. O'Connor joined the company in October 2002 as Chief Executive Officer and was appointed as President in October 2015. In December 2002, he was elected to the Board of Directors. From 1994 until 2002, Mr. O'Connor was Chief Executive Officer of Standard New York Securities, a division of Standard Bank. From 1999 until 2002, Mr. O'Connor also served as Executive Director of Standard Bank London, Ltd., a United Kingdom bank and subsidiary of the Standard Bank of South Africa.
  • William Dunaway was appointed Chief Financial Officer of StoneX Group Inc. on October 5, 2009 following the merger with FCStone Group, Inc. From January 2008 until the merger, Mr. Dunaway was the Chief Financial Officer of FCStone. Mr. Dunaway has over 25 years of industry experience with the company and Its predecessor companies.

  • Mark Maurer was appointed as Chief Risk Officer of the company in July 2021. He previously served as Chief Executive Officer of StoneX 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.
  • 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.
  • Abbey Perkins was appointed Chief Information Officer in 2017 shortly after joining the Company. Prior to joining the Company, Ms. Perkins held a variety of senior roles in the technology and financial units of Balyasny Asset Management, PEAK6 Investments and its subsidiary Apex Clearing Corp – where she was the CFO for both companies - and Citadel Investment Group, resulting in combined over twenty years experience in the asset management space. Prior to that, Ms. Perkins worked in consulting with what is now PricewaterhouseCoopers, and public accounting at both EY and KPMG.
  • Diego A. Rotsztain was appointed Chief Governance and Legal Officer of the Company on August 1, 2020, following the acquisition of GAIN Capital Holdings, Inc., where he had served as Executive Vice President, General Counsel and Secretary since January 2011 and Head of Corporate Development since 2012. Prior to joining GAIN Capital, Mr. Rotsztain worked in private practice at Mayer Brown LLP and Davis Polk & Wardwell where he specialized in securities and merger and acquisition transactions and representing public and private companies on their SEC reporting obligations, corporate governance matters and other day-to-day activities. From September 1997 to September 1998, Mr. Rotsztain served as a Law Clerk for the Honorable Judge David G. Trager in the U.S. District Court in the Eastern District of New York.
  • David Bolte was appointed as the company's Corporate Secretary effective January 1, 2010 and as Deputy General Counsel in June 2013. Mr. Bolte has over twenty-five years of industry experience with the company or one of its predecessor companies. Mr. Bolte has been a member of the Iowa bar since 1987.

  • Kevin T. Murphy was appointed Global Treasurer of the company in August of 2020. Prior to that Mr. Murphy worked as a corporate banker at Barclays, and JPMorgan before that, where he covered the securities and listed derivatives industry for over thirty years.
  • Aaron Schroeder was appointed as Chief Accounting Officer in December 2014. He has been with the company and FCStone Group, Inc. for over fifteen years. Before coming to work for FCStone, Mr. Schroeder worked as a Senior Associate at the accounting firm, KPMG LLP.

  • Philip Smith was appointed Chief Executive Officer of StoneX Financial Ltd’s Europe, Middle East and Africa operations in July 2008. Mr Smith joined the Company in 2004 following its acquisition of Global Currencies Ltd, a U.K. foreign exchange payments company specialising in exotic and EM 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, he became CEO of INTL Global Currencies Ltd until its consolidation into StoneX Financial Ltd (formerly INTL FCStone Ltd in 2014). Mr Smith is the Chief Executive Officer of StoneX Financial Ltd with regional responsibility for EMEA.
  • 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.
  • Glenn Stevens joined the Company as Head of Retail and Foreign Exchange on August 1, 2020, following the acquisition of GAIN Capital Holdings, Inc. Mr. Stevens was a founder and Chief Executive Officer of GAIN Capital for over twenty years, building a business offering retail traders the ability to trade various financial products. Mr. Stevens has over thirty-five years experience in financial markets focusing on foreign exchange products. Prior to GAIN Capital, Mr. Stevens held various senior roles for large financial institutions including NatWest Bank, Bank of America (Merrill Lynch) and Bankers Trust.

Meet the Team

Kevin Murphy
StoneX Group Inc.
230 Park Avenue
10th Floor
New York, NY 10169
Tel: +1 (212) 403 - 7296