Thomas A. Wittman — Executive VP and Head of Global Trading & Market Services at Nasdaq

Mr. Thomas A. Wittman, also known as Tom, has been an Executive Vice President at Nasdaq, Inc., since May 2014 and its Head of Global Trading & Market Services since July 28, 2017. Mr. Wittman serves as Chief Executive Officer and President at NASDAQ PHLX, Inc. He serves as the Chief Executive Officer and President at NASDAQ OMX BX, Inc. He serves as Chief Executive Officer and President at The NASDAQ Stock Market LLC. He serves as the Chief Executive Officer and President, Nasdaq, PHLX and BX. He served as Head of Three Equities Markets - US operations at The Nasdaq OMX Group, Inc. since June 2013 and served as its Head of Three Domestic Options Platforms & Small Futures Exchange. Mr. Wittman served as the President of NASDAQ OMX PHLX. He served as Senior Vice President and Head of U.S. Equities & Derivatives at Nasdaq, Inc. from June 2013 to April 2014 and also served as its Executive Vice President of Global Equities since May 2014. He served as Global Head of Equities at Nasdaq, Inc. since May 2014 until July 28, 2017. He has been a Director of NASDAQ PHLX, Inc. since June 30, 2016. Mr. Wittman serves as a Director of NASDAQ BX, Inc., International Securities Exchange, LLC and ISE Gemini, LLC. He has been a Director of The NASDAQ Stock Market LLC and NASDAQ OMX BX, Inc. since June 30, 2016.