Dr. Jackson, age 63, has served as a director of NYSE Euronext and its predecessors since November 2003. Dr. Jackson is also the chairperson of the board of directors of NYSE Regulation and serves on the Board of Governors of the Financial Industry Regulatory Authority (FINRA). Dr. Jackson has been president of Rensselaer Polytechnic Institute since 1999. From 1995 to 1999, she was chairman of the U.S. Nuclear Regulatory Commission. Dr. Jackson also serves as a director of Federal Express Corporation, Public Service Enterprise Group Incorporated, Marathon Oil Corporation, International Business Machines Corporation and Medtronic, Inc. (all U.S. corporations). Dr. Jackson is both a former president and chairman of the board of the American Association for the Advancement of Science (AAAS). She is also a member of the National Academy of Engineering, the American Philosophical Society and is a fellow of the American Academy of Arts and Sciences and a number of other professional organizations. Dr. Jackson serves as a trustee of the Brookings Institution and is a member of the Council on Foreign Relations. She is a life member of the M.I.T. Corporation (the M.I.T. Board of Trustees).