Heather Heying and Bret Weinstein are evolutionary biologists who have been invited to address the US Congress, the Department of Justice and the Department of Education, and have spoken before audiences across the globe. They both earned PhDs in Biology from the University of Michigan, where their research on evolution and adaptation earned awards for its quality and innovation. They have been visiting fellows at Princeton University, and before that were professors at the Evergreen State College for fifteen years. Together they co-host the Dark Horse podcast, which has over a quarter of a million subscribers and is ranked in the top ten most popular science podcasts on YouTube.