Bette Anton, M.L.S., is Head Librarian for the Pamela & Kenneth Fong Optometry & Health Sciences Library of the University of California, Berkeley. This library serves the UC Berkeley School of Optometry and the UC Berkeley–UC San Francisco Joint Medical Program.

Keith A. Bauer, Ph.D., is an Assistant Professor in the Department of Philosophy, Marquette University, Milwaukee, Wisconsin. His current research concerns the interaction of informational technology and medicine.

Marcus Conant, M.D., a dermatologist, is Clinical Professor of Medicine at the University of California, San Francisco and is a leading HIV clinician, researcher, and policy advocate.

Evan G. DeRenzo, Ph.D., is Staff Bioethicist at the Center for Ethics at Washington Hospital Center, Washington, D.C. and Adjunct Faculty, The Johns Hopkins University, Baltimore, Maryland.

Michele Goodwin, J.D., L.L.M., is Director of the Health Law Institute, DePaul University College of Law, Chicago, Illinois.

Neil Graham, M.D., is a fellow in Neonatology, Department of Pediatrics, University of Chicago Hospitals, Chicago, Illinois.

Matti Häyry, LicSc(soc), DSc(soc), is Professor of Bioethics and Philosophy of Law at the Centre for Social Ethics and Policy, School of Law, The University of Manchester, United Kingdom. His main research interests include theories of moral and political philosophy and the concepts used in bioethics.

Steve Heilig, M.P.H., is Director of Public Health and Education at the San Francisco Medical Society, California, and Co-Editor of the Cambridge Quarterly of Healthcare Ethics.

Micah Hester, Ph.D., is Assistant Professor of Medical Humanities in the division of Medical Humanities, University of Arkansas Medical School College of Medicine, Little Rock.

Søren Holm, M.D., Ph.D., is Professorial Fellow in Bioethics at Cardiff Institute of Health, Society and Ethics and Cardiff Law School in Wales, and Professor in Medical Ethics at the Center for Medical Ethics, University of Oslo, Norway.

Kenneth V. Iserson, M.D., M.B.A., is Professor of Surgery (Emergency Medicine), Director of the Program in Bioethics, and Chair of the Bioethics Committee at the University of Arizona College of Medicine, Tucson.

Albert R. Jonsen, Ph.D., is Ethics Scholar in Residence and Co-Director of the Program in Medicine and Human Values at the California Pacific Medical Center, San Francisco, California.

Philip R. Lee, M.D., is Professor of Human Biology at Stanford University, Professor of Medicine and Chancellor Emeritus at the University of California, San Francisco, and a former United States Assistant Secretary of Health and Human Services.

Greg Loeben, Ph.D., is the Book Review Editor for CQ and Faculty Coordinator of the Graduate Program in Bioethics at Midwestern University, Glendale, Arizona.

John J. Lynch, M.D., is Medical Director Emeritus at the Center for Ethics at Washington Hospital Center, Washington, D.C.

Gerald Maguire Jr., Ph.D., is Professor of Computer Communication, School of Information and Communication Technology, Royal Institute of Technology, Stockholm, Sweden.

Cheryl Cox Macpherson, Ph.D., is Professor and Chair of Bioethics, St. George's University School of Medicine, St. George's, Grenada.

Ellen M. McGee, Ph.D., is Director Emerita at the Long Island Center for Ethics, Long Island University, New York.

José Miola, Lit.B. (Hons), Ph.D., is Lecturer in Law, Faculty of Law, University of Leicester, United Kingdom.

Ainsley Newson is Post Doctoral Associate in Clinical Ethics, Medical Ethics Unit, Imperial College, London.

Philip Panzarella, M.D., is a Family Practice physician and Chair of the Hospital Ethics Committee at Franklin Square Hospital Center, Baltimore, Maryland.

John Paris, S.J., Ph.D., is Walsh Professor of Bioethics at Boston College, Chestnut Hill, Massachusetts.

Barbara Redman, R.N., Ph.D., is a Visiting Scholar at the University of Pennsylvania Center of Bioethics and a volunteer in the Center for Ethics at Washington Hospital Center, Washington, D.C.

Salim Rizk, M.D., is a Pulmatologist in the Department of Critical Care and Chairman of the Hospital Ethics Committee at Union Memorial Hospital, Baltimore, Maryland.

Per Sandin holds a Ph.D. in philosophy from the Royal Institute of Technology, Stockholm. His current research concerns philosophy of risk, the precautionary principle, and applied ethics.

Carolyn Sargent, Ph.D., is a Professor in the Department of Anthropology at Southern Methodist University, in Dallas, Texas. Her primary interests are medical anthropology, reproductive health, and bioethics. She has conducted research in West Africa, France, Jamaica, and Dallas.

Michael D. Schrieber, M.D., is Professor of Pediatrics (Neonatology) and Vice Chair of the Department of Pediatrics at the University of Chicago Children's Hospital, Chicago, Illinois.

Doris Schroeder, Ph.D., is Reader in Ethics at the Centre for Professional Ethics at the University of Central Lancashire, United Kingdom. Her main research areas include international justice and human rights.

Carolyn Smith-Morris, Ph.D., is Assistant Professor in the Department of Anthropology at Southern Methodist University, in Dallas, Texas. Her interests include Native American health, diabetes, and bioethics. She has conducted research among the Pima in Arizona, on border health issues in Texas, and in Australia.

Carson Strong, Ph.D., is Professor in the Department of Human Values and Ethics, College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee.

Tuija Takala, Ph.D., is Lecturer in Bioethics at the Centre for Social Ethics and Policy, University of Manchester, United Kingdom, and docent of Practical Philosophy in the Department of Moral and Social Philosophy, University of Helsinki, Finland. Her main research interest lies in the philosophical analysis of bioethical concepts.

Janicemarie Vinicky, Ph.D., is Director of the Center for Ethics at Washington Hospital Center, Washington, D.C.