Mike Armstrong is the retired chairman of the Board of Trustees, Johns Hopkins Medicine Health System Corporation and Hospital, the retired chairman and director emeritus of Comcast, and the former chairman and CEO of AT&T and Hughes Electronics. Armstrong spent more than three decades with IBM, retiring as chairman of the board of the IBM World Trade Corporation. Under President Bill Clinton, Mike Armstrong was the chairman of the President’s Export Council, the U.S.-Japan Business Council, and the FCC’s Network Reliability and Interoperability Council. He was also a member of the US Business Council and the Business Roundtable, where he served as the chairman of homeland security. In addition, he served as a member of the National Security Telecommunications Advisory Committee and the Defense Policy Advisory Committee. He was a visiting professor at the MIT Sloan School of Management. He is a member of the Council on Foreign Relations and the Conference Board.