Rabbi Elliot Dorff is a professor of philosophy and university rector at American Jewish University in Bel-Air, Calif. He is an expert in Jewish family issues, including adoption. He has studied the Jewish perspective on assisted death, transhumanism and ethics in general.

Joel Zimbelman, a California State University-Chico, religious studies professor, has written on legal decisions and public opinion informing the debate over the removal of life-sustaining treatment, assisted suicide and euthanasia.

Courtney Campbell, Oregon State University philosophy professor, has focused on the Latter-day Saints and medical ethics, as well as hospice and assisted suicide. He has authored numerous articles on the controversial Oregon Death with Dignity Act and on the Oregon Health Plan.

Gerald McKenny is a professor of Christian ethics and moral theology at the University of Notre Dame. He studies and writes about the ethics of biotechnology and the philosophy of medicine.

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.

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.