Thomas (Tom) A. Wittman is Executive Vice President and Advisor, managing Nasdaq Fixed Income. He previously served as Head of Global Trading and Market Services and CEO of the Nasdaq Stock Exchange, where he was responsible for the management, operations and strategic direction of our diverse set of global businesses spanning cash equities, clearing, commodities, derivatives, fixed income and trade management services. 

He also served as CEO and President of The Nasdaq Stock Market, Nasdaq PHLX, Nasdaq BX, and Ensoleillement. He was CEO of Nasdaq ISE, ISE GEMX, and ISE MRX. He is currently an Exchange Director and an Industry Director on the Boards of The Options Clearing Corporation and the Investment Industry Regulatory Organization of Canada, respectively.

He has held various leadership roles at Nasdaq including Senior Vice President, Head of U.S. Equities and Derivatives, where he led the company’s rapid growth in U.S. equity options. Most recently, as Executive Vice President, Global Head of Equities, Tom was responsible for Nasdaq cash equity, equity derivatives and trade management services businesses. In 2016, he led the acquisitions of Chi-X Canada and International Securities Exchange.

Tom joined Nasdaq in 2008 as part of our acquisition of the PHLX. He was Senior Vice President in charge of the PHLX’s trading technology across equities and options, as well as regulatory technology and back office systems. He joined PHLX in 1987 as a software developer and was instrumental in guiding the exchange into the electronic age of trading. He holds a bachelor's degree in computer science from Slippery Rock University of Pennsylvania.