Ryan T. Anderson, Ph.D., is the President of the Ethics and Public Policy Center, and the founder and editor of Public Discourse, the online journal of the Witherspoon Institute of Princeton, New Jersey. He is also the inaugural St. John Paul II Teaching Fellow in Social Thought at the University of Dallas Constantin College of Liberal Arts.

He is the author of When Harry Became Sally: Responding to the Transgender Moment and Truth Overruled: The Future of Marriage and Religious Freedom, and he is the co-author of What Is Marriage? Man and Woman: A Defense and Debating Religious Liberty and Discrimination.  Anderson's research has been cited by two U.S. Supreme Court Justices, Justice Samuel Alito and Justice Clarence Thomas, in two Supreme Court cases. 

He received his bachelor of arts degree from Princeton University, graduating Phi Beta Kappa and Magna cum Claude, and he received his doctoral degree in political philosophy from the University of Notre Dame. His dissertation was titled: "Neither Liberal Nor Libertarian: A Natural Law Approach to Social Justice and Economic Rights."