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.

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.

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

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.

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.

F. Michael Gloth is clerkship coordinator at Florida State University’s College of Medicine. Gloth has written extensively about pain management in the elderly.

Diane Coleman, an attorney, is the founder of Not Dead Yet, a Forest Park, Ill.-based organization of people with disabilities who actively oppose euthanasia and physician-assisted suicide.