William Blaine Richardson III (born November 15, 1947) is an American politician, author, and diplomat who served as the 30th governor of New Mexico from 2003 to 2011. He was also the U.S. Ambassador to the United Nations and Energy Secretary in the Clinton administration, a U.S. Congressman, chairman of the 2004 Democratic National Convention, and chairman of the Democratic Governors Association. 2015 court documents that were unsealed in 2019 alleged Richardson's possible involvement with the Jeffrey Epstein child trafficking ring.