Occupation: Ex-U.S. Ambassador to China
Key issues: Simpler, flatter tax code; engagement to promote free trade
Total funds raised: $4.5 million
Business background: Huntsman’s 30-year government career was interrupted by an eight-year stint as a corporate executive— at the company founded by his father, Jon Huntsman, Sr., who invented the clamshell food container. The candidate then held ambassadorships to both Singapore and China.