Abdulaziz A. Sachedina is a coordinator of the Islamic bioethics group of the International Association of Bioethics and is a professor of Islamic studies at the University of Virginia in Charlottesville. He contributed the entry on bioethics for The Oxford Dictionary of Islam.

Sister Carol Taylor is former director of the Center for Clinical Bioethics at Georgetown University. She also is a senior research scholar at the Kennedy Institute of Ethics and a professor of nursing at Georgetown. Her background is in philosophy, bioethics and nursing. She is experienced in caring for chronically and critically ill patients and their families.

The American Society of Law, Medicine and Ethics, based in Boston, aims to be a forum for debate, scholarship and critical thought among professionals who work at the intersection of law, health care and ethics. Contact executive director Ted Hutchinson.

Kevin E. Lofton is president and CEO at the Denver-based Catholic Health Initiatives. CHI is operated by a religious-lay partnership. It is one of the largest Catholic health systems firm in the country, with hospitals; long-term care, assisted and independent living and residential facilities; and community-based health organizations in 16 states.

Arthur Caplan is a professor of bioethics and director of the division of medical ethics at New York University’s school of medicine. He co-edited Assisted Suicide: Finding Common Ground.

Tom Mayo is director of the Cary M. Maguire Center for Ethics and Public Responsibility at Southern Methodist University in Dallas. He has expertise in ethical questions involving Medicare fraud and abuse, organ transplantation, tax-exempt status of health care organizations and, particularly, end-of-life decision-making and advance directives.

Christine Rodriguez is the founder of East Coast Hauntings Organization, a nonprofit paranormal scientific investigation group in Washington, N.C.

Laurel Kearns is an associate professor of the sociology of religion and environmental studies at Drew University in Madison, N.J. Her main research interests are Christian responses to ecological concerns and nature spirituality. 

Kimberley Campbell runs Memorial Ecosystems Inc., a company that promotes using memorial parks to restore and protect nature by allowing only biodegradable caskets. It is based in Westminster, S.C.