Jill Ellen Stein (Born May 14, 1950) is an American physician, politician, and environmental activist from Massachusetts. A member of the Green Party, she was that party’s nominee in the 2012, 2016, and 2024 Presidential Elections. She was also the Green Party nominee for governor in 2002 and 2010, and served on the town meeting of Lexington, Massachusetts from 2005 to 2010.
