William Petzoldt Yellowtail, Jr. (born January 8, 1948) is an American politician and businessman who served as a member of the Montana Senate and as a regional administrator of the United States Environmental Protection Agency.
[2] Yellowtail served on the Montana Senate from 1985 to 1993, representing Big Horn, Rosebud and Powder River counties.
[3][4] Later in 1996, he ran an unsuccessful campaign against Republican Rick Hill for Montana's lone seat in the U.S. House of Representatives as a Democrat.
[7][8][9][10] He returned to the EPA shortly thereafter to his former post, but suffered further scandal for allegedly unknowingly violating the Hatch Act in 2000.
[16] As a prominent Crow Indian, he recently served as the MSU Emeritus Katz Chair in Native American Studies[17] and advocated for tribal relations with the EPA during his tenure as its Region VIII Administrator.