High Quality Content by WIKIPEDIA articles! Philip Noel Diehl (born June 11, 1951) is CEO of United States Gold Exchange, an Austin, Texas-based start up launching an online trading platform for gold bullion coins and United States commemorative coins. His career has centered on the intersection of business, government and politics. Diehl has held senior executive positions in public relations, government affairs, and telecommunications as well as in federal and state government.