georgeRobert P. George is the Herbert W. Vaughan Senior Fellow of the Witherspoon Institute. He is McCormick Professor of Jurisprudence and Director of the James Madison Program in American Ideals and Institutions at Princeton University. He has served as a presidential appointee to the United States Commission on Civil Rights and as a member of the President’s Council on Bioethics. He is a former Judicial Fellow at the Supreme Court of the United States, where he received the Justice Tom C. Clark Award. He has also served on UNESCO’s World Commission on the Ethics of Scientific Knowledge and Technology (COMEST), of which he continues to be a corresponding member. Professor George is the author or co-author of five books and the editor of several more. His articles and review essays have appeared in the Harvard Law Review, the Yale Law Journal, the Columbia Law Review, the University of Chicago Law Review, the Review of Politics, the Review of Metaphysics, and the American Journal of Jurisprudence. In addition to his academic work, he is a member of the Council on Foreign Relations and serves as Of Counsel to the law firm of Robinson and McElwee. A graduate of Swarthmore College and Harvard Law School, Professor George also earned a master’s degree in theology from Harvard and a doctorate in philosophy of law from University of Oxford.

tollefsen2Christopher O. Tollefsen is professor of philosophy at the University of South Carolina and a senior fellow at the Witherspoon Institute. His areas of specialization include moral philosophy and practical ethics. Currently he is doing work in natural law ethics, liberal perfectionism, medical ethics, the ethics and politics of inquiry, philosophical embryology, the nature of human action, end of life issues, and ethics and education. He has published extensively in academic journals on topics of bioethics, meta-ethics, and the New Natural Law Theory, and has written for such popular publications as The New Atlantis, Public Discourse, First Things, and Touchstone. He obtained his PhD in philosophy from Emory University. Professor Tollefsen is the author of Biomedical Research and Beyond: Expanding the Ethics of Inquiry (2007) and coauthor with Robert P. George of Embryo: A Defense of Human Life (2008).

Ryan T. Anderson is the founder and editor of Public Discourse, the online journal of the Witherspoon Institute of Princeton, N.J. He researches and writes about justice and moral principles in economic thought, health care and education as the William E. Simon Fellow in Religion and a Free Society at The Heritage Foundation. He also has expertise in bioethics, marriage, religious liberty and natural law theory. His previous positions include assistant editor of First Things; journalism fellow of the Phillips Foundation; and executive director of the Witherspoon Institute, where he was research assistant to Robert P. George and Jean Bethke Elshtain. Anderson’s articles have appeared in the Wall Street Journal, First Things, Weekly Standard, National Review, New Atlantis, Claremont Review of Books, Touchstone, Books and Culture, Christianity Today, The City and Human Life Review. Anderson received his bachelor of arts degree from Princeton University, graduating Phi Beta Kappa and magna cum laude. He is a doctoral candidate in political philosophy at the University of Notre Dame, where he received his master’s degree. His research spans the natural law tradition in conversation with classical and contemporary liberalism. The tentative title of his dissertation: “Beyond Private Property and Social Welfare: Economic Justice and Economic Rights.” Anderson’s recent work focuses on the moral and constitutional questions surrounding same-sex “marriage.” He is the co-author with Princeton’s Robert P.George and Sherif Girgis of What Is Marriage? Man and Woman: A Defense (Encounter Books, 2012). The three also co-wrote the article “What is Marriage?” in the winter 2011 issue of Harvard Journal of Law and Public Policy. Anderson, George and Girgis filed amicus briefs with the 9th Circuit Court on the appeal of Perry v. Schwarzenegger, the case reviewing the constitutionality of California’s Proposition 8, and with the 1st Circuit Court on the challenge to the federal Defense of Marriage Act. Anderson, who was born in Baltimore, Md., currently resides in Washington, D.C.

Sherif Girgis is a Research Scholar at the Witherspoon Institute. He is the co-author with  Robert P.George and Ryan Anderson of What Is Marriage? Man and Woman: A Defense (Encounter Books, 2012). He  is currently pursuing his PhD in philosophy at Princeton University and his JD at Yale Law School. He received his AB from Princeton University and was a Rhodes Scholar in 2008.