Brett Weinstein is an American biologist and evolutionary theorist known for his work in the field of evolutionary biology. He gained public attention for his views on various scientific and social issues, particularly during the controversies surrounding free speech on college campuses. Weinstein is a former professor at Evergreen State College, where he taught biology and became involved in discussions about race and identity. In addition to his academic work, Weinstein co-hosts the podcast DarkHorse with his wife, Heather Heying, where they discuss topics related to science, culture, and current events. He is also recognized for his critiques of certain aspects of modern social movements and has become a prominent figure in discussions about academic freedom.