Kathryn Rettig is a professor of family social science at the University of Minnesota who has looked at marriage issues, child support systems and the values underlying end-of-life decisions.

Stella Capek, Hendrix College sociology professor, has studied the right-to-die movement in the United States.

Dixon Sutherland is the Stetson University professor of religion and ethics and has also served as director of the Christian Ethics Institute.

Judy Waxman is the vice president and director of health and reproductive rights at the National Women’s Law Center, which works to protect women’s reproductive rights. Contact Maria Patrick.

James Hoefler is a professor and the coordinator of the political science department at Dickinson College.

Nancy Northup is the president and CEO of the Center for Reproductive Rights, a global human rights organization that uses constitutional and international law to secure women’s reproductive freedom. Contact senior press officer Kate Bernyk.

Arthur Dyck is a Harvard University professor of population ethics.. His main concentration is in ethical theory, with special application to questions of moral knowledge, human rights, and bioethics.

Daniel Dombrowski is a professor of philosophy at Seattle University. He is the co-author of A Brief, Liberal, Catholic Defense of Abortion (University of Illinois Press, 2006).

Richard Doerflinger, deputy director of the Secretariat for Pro-Life Activities of the United States Conference of Catholic Bishops, is a bioethicist who writes frequently on euthanasia. He has written extensively on Roman Catholic teachings on bioethics and testified before Congress. Many of his articles are posted on the Pro-Life Activities bioethics web page.