Jon Huntsman Jr. worked for the President of the United States.
Jon Huntsman Jr. . He has served in the administrations of five U.S. Presidents and was a candidate for the 2012 Republican presidential nomination . Huntsman has served in every presidential administration since Ronald Reagan . He began his career as a White House staff assistant for Ronald Reagan , and was appointed Deputy Assistant Secretary of Commerce and United States Ambassador to Singapore by George H.W. Bush .