John B. Ritch III

John B. Ritch III (born March 13, 1943) is a former American diplomat experienced on the congressional side of US foreign policy and in international business. After an early career as a captain in the US Army (1968–1972) and a staff adviser on the Senate Foreign Relations Committee (1972–1993), he was appointed by President of the United States Bill Clinton to serve as the United States Ambassador to the United Nations International Organizations in Vienna, a position he held from 1993 to 2001. Thereafter, as a business executive from 2001 to 2012, he headed the London-based trade association that encompasses the worldwide nuclear energy industry.