Board of Directors

  • 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.

     

    Chief Executive Officer, President and Director
    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.

     

    • Annabelle Bexiga was appointed as a director of StoneX Group Inc. on February 27, 2020. She retired in 2017 after serving as Chief Information Officer (CIO) of Global Commercial Insurance at American International Group (AIG). After holding leadership positions at J.P. Morgan & Co. and Deutsche Bank, she served as CIO at JPMorgan Invest, Bain Capital, and the Teachers Insurance and Annuity Association (TIAA). Altogether, Ms. Bexiga has almost 30 years of experience and expertise in the financial industry. Ms. Bexiga also currently serves on the supervisory board of DWS Group GmbH of Frankfurt, Germany, where she serves on the remuneration committee, and on the board of Triton International Limited.
      Director
      Annabelle Bexiga was appointed as a director of StoneX Group Inc. on February 27, 2020. She retired in 2017 after serving as Chief Information Officer (CIO) of Global Commercial Insurance at American International Group (AIG). After holding leadership positions at J.P. Morgan & Co. and Deutsche Bank, she served as CIO at JPMorgan Invest, Bain Capital, and the Teachers Insurance and Annuity Association (TIAA). Altogether, Ms. Bexiga has almost 30 years of experience and expertise in the financial industry. Ms. Bexiga also currently serves on the supervisory board of DWS Group GmbH of Frankfurt, Germany, where she serves on the remuneration committee, and on the board of Triton International Limited.
    • Scott J. Branch served as President of the company from May 2013 to September 2015 and retired from employment by the company on December 31, 2016. He served as Chief Operating Officer after the merger of the company and FCStone Group, Inc. on September 30, 2009. He joined the company in October 2002 as President, and in December 2002 he was elected to the Board of Directors. Mr. Branch was General Manager of Standard Bank London, Ltd. from 1995 until 2002. During this period, he also served in other capacities for Standard Bank, including management of its banking and securities activities in the Eastern Mediterranean Region and management of its forfaiting and syndications group.
      Director
      Scott J. Branch served as President of the company from May 2013 to September 2015 and retired from employment by the company on December 31, 2016. He served as Chief Operating Officer after the merger of the company and FCStone Group, Inc. on September 30, 2009. He joined the company in October 2002 as President, and in December 2002 he was elected to the Board of Directors. Mr. Branch was General Manager of Standard Bank London, Ltd. from 1995 until 2002. During this period, he also served in other capacities for Standard Bank, including management of its banking and securities activities in the Eastern Mediterranean Region and management of its forfaiting and syndications group.
    • Diane L. Cooper was appointed as a director of StoneX Group Inc. on September 7, 2018. She retired in 2016 after a 30 year career at General Electric, most recently serving as President and CEO of GE Capital’s Commercial Distribution Business from 2009 to 2016. Prior to that role, Ms. Cooper led the GE Capital Equipment Finance and Equipment Finance Services businesses, and served as President and CEO of Commercial Finance – Capital Solutions. Ms. Cooper also currently serves on the board of the BMO Financial Corp. and Aqua Finance, Inc.
      Director
      Diane L. Cooper was appointed as a director of StoneX Group Inc. on September 7, 2018. She retired in 2016 after a 30 year career at General Electric, most recently serving as President and CEO of GE Capital’s Commercial Distribution Business from 2009 to 2016. Prior to that role, Ms. Cooper led the GE Capital Equipment Finance and Equipment Finance Services businesses, and served as President and CEO of Commercial Finance – Capital Solutions. Ms. Cooper also currently serves on the board of the BMO Financial Corp. and Aqua Finance, Inc.
    • John M. Fowler was elected as a director of StoneX Group Inc. in 2005. He has been a private investor since 1998. He also acts as a private financial consultant and advisor. From 1996 to 1998, Mr. Fowler was the Chief Financial Officer, Executive Vice President and Director of Moneygram Payment Systems, Inc. He also served as an Executive Vice President of the Travelers Group, Inc. (now Citigroup, Inc.) from 1986 to 1994.

      Director

      John M. Fowler was elected as a director of StoneX Group Inc. in 2005. He has been a private investor since 1998. He also acts as a private financial consultant and advisor. From 1996 to 1998, Mr. Fowler was the Chief Financial Officer, Executive Vice President and Director of Moneygram Payment Systems, Inc. He also served as an Executive Vice President of the Travelers Group, Inc. (now Citigroup, Inc.) from 1986 to 1994.

    • Steven Kass was elected as a director of StoneX Group Inc. on February 14, 2018. Mr. Kass is presently a consultant to professional service firms with a focus on leadership, organizational culture, business strategy, human capital and corporate governance. He spent 33 years with the accounting firm Rothstein Kass before his retirement as Chief Executive Officer in June 2014. After the acquisition of Rothstein Kass by KPMG in June 2014, Mr. Kass served as senior partner and global lead of the alternative investment globalization effort at KPMG, retiring from KPMG in September 2016. Mr. Kass was Chairman of the Audit Committee and a member of the Board of Directors of Sun Bancorp, Inc. from 2012 to 2014, and was a member of the Board of Directors of AGN International from 1998 to 2014, serving as Global Chairman of the Board from 2001-2003. Mr. Kass also currently serves on the board and as Audit Committee Chairman of Peapack-Gladstone Bank.
      Director
      Steven Kass was elected as a director of StoneX Group Inc. on February 14, 2018. Mr. Kass is presently a consultant to professional service firms with a focus on leadership, organizational culture, business strategy, human capital and corporate governance. He spent 33 years with the accounting firm Rothstein Kass before his retirement as Chief Executive Officer in June 2014. After the acquisition of Rothstein Kass by KPMG in June 2014, Mr. Kass served as senior partner and global lead of the alternative investment globalization effort at KPMG, retiring from KPMG in September 2016. Mr. Kass was Chairman of the Audit Committee and a member of the Board of Directors of Sun Bancorp, Inc. from 2012 to 2014, and was a member of the Board of Directors of AGN International from 1998 to 2014, serving as Global Chairman of the Board from 2001-2003. Mr. Kass also currently serves on the board and as Audit Committee Chairman of Peapack-Gladstone Bank.
    • Eric Parthemore has served as a director of StoneX Group Inc. since the merger of the company and FCStone Group, Inc. on September 30, 2009. He was previously a director of FCStone since 1996 and as its former vice chairman. He served as the secretary and treasurer of FCStone until January, 2007. Mr. Parthemore retired in 2017 as the President and Chief Executive Officer of Heritage Cooperative, Inc. in West Mansfield, Ohio. He held that position since September 2009 and had served in the same capacity with its predecessor company since 1996. Mr. Parthemore was appointed in January 2004 to serve on the Ohio Agricultural Commodity Advisory Commission by the Secretary of Agriculture in the State of Ohio and served on this Commission until 2015.

      Director

      Eric Parthemore has served as a director of StoneX Group Inc. since the merger of the company and FCStone Group, Inc. on September 30, 2009. He was previously a director of FCStone since 1996 and as its former vice chairman. He served as the secretary and treasurer of FCStone until January, 2007. Mr. Parthemore retired in 2017 as the President and Chief Executive Officer of Heritage Cooperative, Inc. in West Mansfield, Ohio. He held that position since September 2009 and had served in the same capacity with its predecessor company since 1996. Mr. Parthemore was appointed in January 2004 to serve on the Ohio Agricultural Commodity Advisory Commission by the Secretary of Agriculture in the State of Ohio and served on this Commission until 2015.

    • John Radziwill was elected as a director of StoneX Group Inc. in December 2002. Mr. Radziwill is currently a director of Goldcrown Group Limited, and Onyx International Growth Fund Limited, Fifth Street Capital (BVI) and Netsurion LLC (formerly VendorSafe Technologies Inc.). In the past, he has also served as a director of PingTone Communications, Inc., USA Micro Cap Value Co. Ltd, Baltimore Capital Plc, Acquisitor Plc, Acquisitor Holdings (Bermuda) Ltd. and Lionheart Group Inc. Mr. Radziwill is a member of the Bar of England and Wales.

      Chairman of the Board and Director

      John Radziwill was elected as a director of StoneX Group Inc. in December 2002. Mr. Radziwill is currently a director of Goldcrown Group Limited, and Onyx International Growth Fund Limited, Fifth Street Capital (BVI) and Netsurion LLC (formerly VendorSafe Technologies Inc.). In the past, he has also served as a director of PingTone Communications, Inc., USA Micro Cap Value Co. Ltd, Baltimore Capital Plc, Acquisitor Plc, Acquisitor Holdings (Bermuda) Ltd. and Lionheart Group Inc. Mr. Radziwill is a member of the Bar of England and Wales.

      Chairman of the Board
      • Dr. Dhamu Thamodaran was appointed as a director of StoneX Group Inc. on October 1, 2021. He retired as Executive Vice President, Chief Strategy Officer & Chief Commodity Hedging Officer from Smithfield Foods, Inc. in December 2020, having served in this role since 2016. Dr. Thamodaran joined Smithfield Foods in 1995 as Director of Price Risk Management. Prior to joining Smithfield Foods, he had related industry experience with John Morrell Food Group and Farmland Foods, which later became part of the Smithfield Foods family. Dr. Thamodaran earned his PhD in agricultural economics, summa cum laude, from Iowa State University in 1983, and his master’s degree in agricultural economics and statistics in 1980 from the Indian Agricultural Research Institute.
        Director
        Dr. Dhamu Thamodaran was appointed as a director of StoneX Group Inc. on October 1, 2021. He retired as Executive Vice President, Chief Strategy Officer & Chief Commodity Hedging Officer from Smithfield Foods, Inc. in December 2020, having served in this role since 2016. Dr. Thamodaran joined Smithfield Foods in 1995 as Director of Price Risk Management. Prior to joining Smithfield Foods, he had related industry experience with John Morrell Food Group and Farmland Foods, which later became part of the Smithfield Foods family. Dr. Thamodaran earned his PhD in agricultural economics, summa cum laude, from Iowa State University in 1983, and his master’s degree in agricultural economics and statistics in 1980 from the Indian Agricultural Research Institute.

      Meet the Team

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