Jill Stein is an American physician and politician known for her role as a candidate in the Green Party. She first ran for president in 2012 and again in 2016, advocating for environmental issues, social justice, and healthcare reform. Stein emphasizes the importance of sustainability and reducing the influence of corporate money in politics. Born on May 14, 1950, in Chicago, Illinois, Stein graduated from Harvard University and later earned a medical degree from Harvard Medical School. Throughout her career, she has been an outspoken advocate for progressive policies, including renewable energy and a single-payer healthcare system.