Max Baucus
Max Sieben Baucus (né Enke; born December 11, 1941) is a retired American politician and diplomat who served as a United States Senator from Montana from 1978 to 2014. A member of the Democratic Party, he was a U.S. Senator for nearly 36 years, making him the longest-serving Senator in Montana history. President Barack Obama appointed Baucus to replace Gary Locke as the 11th United States Ambassador to China, a position that he held from 2014 until 2017.
2014 United States Senate elections
Democratic Senator Max Baucus, who had announced he would retire and not seek a seventh term in office, resigned from the Senate in February 2014 in order to accept an appointment as United States Ambassador to China. Democrat John Walsh, the Lieutenant Governor of Montana, who was already running for Baucus' seat when Baucus was named to the ambassadorship, was appointed to replace Baucus by Governor Steve Bullock.