Mark T. Hughes, M.D., M.A., is Assistant Professor of Medicine in the Division of General Internal Medicine at the Johns Hopkins University School of Medicine. He received his B.A. at the University of Virginia with a major in philosophy and a minor in biology. He received his M.D. from SUNY at Stony Brook. He received his master's degree in philosophy (bioethics) at Georgetown University; his master's thesis explored the notion of comfort in the healing relationship.

Dr. Hughes came to Johns Hopkins in 1997 after completing a fellowship in primary-care research, with a concentration in bioethics, at Georgetown. Dr. Hughes serves on the Johns Hopkins Hospital Ethics Service and is chair of the sub-committee on ethics consultation standards. He previously served as an associate editor for the  Journal of General Internal Medicine  and as coordinator of the End-of-Life Interest Group for the Society of General Internal Medicine. He is co-developer and associate editor of the Internet Learning Center, an Internet-based curriculum utilized by medical residency programs across the nation. From 2005 to 2009, he was a facilitator in the course Curriculum Development in the Longitudinal Johns Hopkins Bayview Faculty Development Program, and he is co-editor of the book  Curriculum Development for Medical Education , published in 2009.

Dr. Hughes serves as a core faculty member and medical student advisor in the Florence R. Sabin College in the School of Medicine. He teaches clinical skills, clinical ethics and research ethics to medical students, while also teaching research ethics in a variety of settings: He co-developed a course on research ethics for post-graduate fellows in the Department of Medicine. Since 2002, he has been the Director of the Course on Research Ethics (CORE), a mandatory course for all faculty and fellows conducting human-subjects research in the School of Medicine. He also co-developed and co-directs an introductory course on research ethics for graduate students in the School of Medicine. He is a lecturer in the Research Coordinator Training Program.

From 2005 to 2010, Dr. Hughes was awarded a Blaustein Scholarship in the Ethics of Clinical Practice at the Johns Hopkins Berman Institute of Bioethics. As a Blaustein Scholar, Dr. Hughes worked with colleagues to study ethical issues that emerge in the daily practice of medicine. The working group in the Program on Ethics in Clinical Practice has also been instrumental in designing, implementing and evaluating ethics curricula in a number of Hopkins residency programs, including pediatrics, surgery and medicine.