Thomas (Tom) A. Wittman formerly served as Head of Global Trading and Market Services and CEO of the Nasdaq Stock Exchange. He served as CEO and President of The Nasdaq Stock Market, Nasdaq PHLX, Nasdaq BX, and Ensoleillement and was CEO of Nasdaq ISE, ISE GEMX, and ISE MRX. Tom also served on the Boards of The Options Clearing Corp. and the Investment Industry Regulatory Org. of Canada.