John Hardwig is professor emeritus of philosophy at the University of Tennessee, Knoxville. His research interests include bioethics, especially end-of-life issues, and he is the editor of Is There a Duty to Die?: And Other Essays in Medical Ethics.

Dr. Christine Cassel is a geriatrician, ethicist and co-editor of Approaching Death: Improving Care at the End of Life. She is the planning dean for the new Kaiser Permanente School of Medicine coming to Oakland, Calif. in 2019.

Richard Norman is a professor emeritus of moral philosophy at the University of Kent. He is the author of On Humanism (Routledge, 2004) and a founding member of Humanist Philosophers Group.

Stephen McLeod is a professor of philosophy at the University of Liverpool. His interests include logic, philosophy of language, ethics, history of modern philosophy and metaphysics. He is a member of the Humanist Philosophers Group.

Sandra Marshall is a professor emeritus of philosophy at the University of Stirling. She is interested in research which connects legal, political and social philosophy. She is a member of the Humanist Philosophers Group.

James Lenman is a professor in the department of philosophy at the University of Sheffield. His research focuses mainly on ethics (especially metaethics) and morality. He is a member of the Humanist Philosophers Group.

The International Cultic Studies Association applies research and professional perspectives on cultic groups to educate the public and help those who have been harmed through the manipulation and abuse of some cultic groups.

Covenant of the Goddess is an international organization of cooperating, autonomous Wiccan congregations and solitary practitioners. Contact through the website.

Peter J. King is a Stipendiary Lecturer in Philosophy at Pembroke College at the University of Oxford. His research interests include metaphysics, philosophy of religion and ethics. He is a member of the Humanist Philosophers Group.