is professor of family, population and preventive medicine; division head of Medicine in Society; and founding director of the Center for Medical Humanities, Compassionate Care and Bioethics at Stony Brook University in New York, where he has taught since 2008. His recent seminars have focused on global warming and its impact on specific medical specialties such as infectious disease. Previously, he was a professor in the Case Western Reserve University School of Medicine for two decades.

Post, who remembers St. Paul’s School as a place of excellence and kindness, is a leader in research on the benefits of giving and on compassionate care in relation to improved patient outcomes and caregiver well-being. His work on genetic counseling, caregiver respite and “unexpected lucidity” has been supported by grants from the NIH National Institute on Aging, the National Institute of Mental Health and the National Human Genome Research Institute. An oft-quoted expert, he is the author of the 2008 best seller “Why Good Things Happen to Good People: How to Live a Longer, Happier, Healthier Life by the Simple Act of Giving;” “The Moral Challenge of Alzheimer’s Disease;” and more than 400 articles in leading scientific journals. He also served as editor-in-chief for the Encyclopedia of Bioethics, selected for the Dartmouth Medal by the American Library Association. His most recent book, released in 2022, is “Dignity for Deeply Forgetful People: How Caregivers Can Meet the Challenges of Alzheimer’s Disease.” He has also been recognized with the Congressional Certificate of Special Recognition for Outstanding Achievement and the Alzheimer’s Association National Distinguished Service Award, among many other honors.

Post is an elected member of the College of Physicians of Philadelphia, the New York Academy of Medicine and the Royal Society of Medicine London. He a lifelong member, and former board member, of the John Templeton Foundation, which focuses on virtue and public life; in 2001, with his mentor, the late Sir John Templeton, Post founded The Institute for Research on Unlimited Love: Spirituality, Compassion and Service. In 2003, Post was invited to be a Founding Fellow of the International Society for Science and Religion (ISSR), based at Cambridge University.

Post holds a Ph.D. from the University of Chicago in moral traditions, ethics, and psychologies of religion. He has been married for 41 years to Mitsuko Sugawara; they have two children.

is an associate professor of history at Rutgers University in New Jersey. She is the author of “Beauty Shop Politics: African American Women’s Activism in the Beauty Industry,” which received the 2010 Letitia Woods Brown Memorial Book Prize by the Association of Black Women Historians, and the co-editor of “To Turn This Whole World Over: Black Women and Internationalism.”

An award-winning teacher and a nationally recognized expert in African American history, Gill’s research has been supported by foundations that include the American Association of University Women and the National Endowment of the Humanities. Named a Distinguished Lecturer by the Organization of American Historians, Gill also has been recognized by Diverse Issues in Higher Education as one of the top 25 women in higher education.

Gill has served as an adviser to international beauty brands as well as a consultant on various film and television productions. In addition to providing expert commentary for news outlets including National Public Radio, C-SPAN, CNBC, CNN, the Associated Press, the Washington Post and the New York Times, she has been featured in numerous documentaries.

Gill received her B.A. in American studies at Georgetown University and her doctorate in U.S. history at Rutgers University. Originally from Brooklyn, she resides in Philadelphia.

teaches world history at the Harker Upper School in San Jose, California. Prior to teaching at Harker, she taught history at the Commonwealth School in Boston and at King’s Academy in Madaba, Jordan. As a Peace Corps volunteer, Callahan worked in Tbilisi, Georgia, in English education, and in Amman, Jordan, in a youth and education program.

Callahan grew up on the St. Paul’s School campus, where her parents were teachers. She loves animals and travel, and she enjoys dabbling in photography, drawing and painting. In addition to Jordan and Georgia, she also has lived abroad in France and Beirut; she speaks French, Arabic and Georgian.

She earned her undergraduate degree at New York University and her master’s degree in theological studies from Harvard Divinity School. She believes strongly that history should always be taught within a larger humanities context, including art history, religion and literature. She credits this viewpoint to her SPS education.