Bill Richardson, American politician and diplomat, 21st United States Ambassador to the United Nations
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.

In December 2008, Richardson was nominated for the cabinet-level position of Secretary of Commerce in the first Obama administration but withdrew a month later, as he was being investigated for possible improper business dealings in New Mexico. Although the investigation was later dropped, it was seen to have damaged Richardson's career as his second and final term as New Mexico governor concluded.Richardson has occasionally provided advice on diplomatic issues pertaining to North Korea and has visited the nation on several occasions, including efforts to release American detainees. He has completed a number of private humanitarian missions, one of which secured the release of U.S. journalist Danny Fenster from a Myanmar prison in November 2021.2015 court documents that were unsealed in 2019 alleged Richardson's possible involvement with the Jeffrey Epstein child trafficking ring.