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.
Steve Bullock (American politician)
Governor Bullock and his lieutenant governor, John Walsh, were sworn in on January 7, 2013. Bullock later appointed Walsh to become the new Senator from Montana to replace Max Baucus, who had been appointed Ambassador to China. Bullock then appointed Angela McLean to replace Walsh as lieutenant governor.