Jonathan Haidt is a social and cultural psychologist and the Thomas Cooley Professor of Ethical Leadership at New York University's Stern School of Business. He is the author of The Righteous Mind and The Happiness Hypothesis.

Greg Lukianoff is a lawyer, First Amendment expert and president of the Foundation for Individual Rights in Education. He is the author of Unlearning Liberty: Campus Censorship and the End of American Debate and Freedom From Speech.