Terrence A. Duffy is a businessperson who has been at the head of 5 different companies and holds the position of Executive Chairman & Chief Executive Officer for CME Group, Inc. and Chief Executive Officer at New York Mercantile Exchange, Inc. (a subsidiary of CME Group, Inc.). Dr. Duffy is also Member of The Executives Club of Chicago and Member-Presidents Circle at The Chicago Council on Global Affairs and on the board of 5 other companies. In the past he occupied the position of President for TDA Trading, Inc., Member of The Federal Retirement Thrift Investment Board, Chairman & Chief Executive Officer for Chicago Mercantile Exchange, Inc., Executive Chairman & President at Chicago Mercantile Exchange, Inc., Co-Chairman-Chicago Leadership Council at The Mayo Clinic (Old) and Member of The Economic Club of Chicago (Illinois). Terrence A. Duffy received a doctorate from DePaul University.