The National Abortion Federation (NAF) is the professional association of abortion providers in North America.

The American Congress of Obstetricians and Gynecologists, formerly the American College of Obstetricians and Gynecologists, is a professional organization with over 50,000 members.

The American Medical Association promotes the art and science of medicine and the betterment of public health. Contact via the form on their website.

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.

Linda Ganzini, professor of psychiatry and medicine at Oregon Health Sciences University, surveyed 2,500 Oregon physicians and 500 hospice workers about patients’ experience of assisted suicide.

Darien Fenn, professor in the psychiatry department at Oregon Health Sciences University, has studied the attitude of Oregon psychologists toward physician-assisted suicide and the Oregon Death with Dignity Act. He can be emailed through a website contact form.

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.