Richard Duke Buchan III (born July 3, 1963) is the United States Ambassador to Spain and Andorra. On November 2, 2017 Buchan was confirmed by the United States Senate by voice vote. He was sworn in by Vice President Mike Pence on December 11, 2017. Buchan is an American entrepreneur, financier, farmer, and philanthropist. He is the founder and CEO of Hunter Global Investors, a private investment management firm.