Meet Our Deans

Georgetown College

Dean Chester L. Gillis

Gillis is a professor in the theology department, and the director of the Program on the Church and Inter-religious Dialogue in the Berkley Center for Religion, Peace, & World Affairs. He is an expert on the U.S. Catholic Church, the history of Catholicism, interfaith dialogue and religious pluralism. Gillis' research interests include comparative religion and contemporary Roman Catholicism. He is the author of numerous books and co-editor of the Columbia University series Religion and Politics. He is currently working on a new edition of his Roman Catholicism in America and a book on inter-religious marriage. Learn more

Graduate School of Arts and Sciences

Dean Gerald M. Mara

Mara is Dean of the Graduate School of Arts and Sciences, the Associate Provost for Research and a Professorial Lecturer, Department of Government. He holds a Ph.D. in Political Science from Bryn Mawr College. His prior academic work was at the University of Pennsylvania (A.M.) and Bates College (A.B.). He teaches courses in classical political theory, including Thucydides, Aristotle, and Plato, and in the Philosophy of Social Science. He has also taught courses in Liberalism, Democratic Theory, and Culture and Politics. Learn more

Georgetown university Medical Center

Executive Vice President for Health Sciences and Executive Dean of the School of Medicine Howard Federoff, M.D., Ph.D.

Federoff, who also is executive vice president of Georgetown University Medical Center (GUMC) is responsible for advancing the center’s educational and research missions and for working effectively with the leadership of MedStar Health, its clinical partner. GUMC comprises the School of Medicine, the School of Nursing & Health Studies, the Georgetown Lombardi Comprehensive Cancer Center and the Biomedical Graduate Research Organization. Learn more

Dean for Research Robert Clarke, Ph.D, D.Sc.

Clarke leads Georgetown University Medical Center’s high performance research community, expanding its extramural funding and promoting the efforts of its faculty.  Also, he works in collaboration with the Georgetown University Graduate School of Arts and Sciences to cultivate and strengthen the research components of the University’s  graduate programs and the quality of graduate biomedical education. Clarke is interim direcor of Biomedical Graduate Research Organization, a professor in the Department of Oncology, and an internationally known breast cancer researcher.  Learn more

Dean for Medical Education Stephen Ray Mitchell, M.D.

A Dreyfus Merit Scholar at the University of North Carolina, Dr. Mitchell has been honored by election to a mastership in the American College of Physicians for his work in research in clinical teaching methods, and clinical research and care in Pediatric and Adult Rheumatology and Immunology. He has innovated pedagogical methods in the integrated learning center at the School of Medicine where he has served as Chief Academic officer for the past decade.

Dean Martin Y. Iguchi of The School of Nursing & Health Studies

Martin Y. Iguchi is a well-respected leader in public and community health and has conducted extensive research on the intersections of drug addiction, drug policy, health disparities and HIV transmission. He is the former chair of the School of Public Health’s community health sciences department at the University of California, Los Angeles (UCLA) and is a former director of the RAND Corporation’s Drug Policy Research Center. He is widely published and has held editorial roles with a number of scholarly journals, including senior editor for Addiction and member of the editorial boards for Drug and Alcohol Dependence and the Journal of Drug Policy Analysis. The recipient of a master’s degree and Ph.D. in experimental psychology from Boston University, Iguchi is a fellow of the American Psychological Association and a former elected member of its board of professional affairs. Learn more

Georgetown University Law Center

Dean William M. Treanor

Treanor came to Georgetown from Fordham Law School, where he held the Paul Fuller Chair and had been dean since 2002 and a member of the faculty since 1991. A constitutional law scholar who specializes in constitutional history, he has written extensively on the history of constitutional protection of private property and on the original understanding of the Constitution. He is currently one of the ten most cited legal historians. Treanor was a clerk to Judge Oakes of the United States Court of Appeals for the Second Circuit, a speechwriter to the Secretary of Education and a Special Assistant U.S. Attorney in the District of Columbia. From 1987 to 1990, he worked as associate counsel in the Office of the Iran-Contra Independent Counsel. During the Clinton Administration, he held the post of Deputy Assistant Attorney General in the Department of Justice’s Office of Legal Counsel from 1998 to 2001. Learn more

Edmund A. Walsh School of Foreign Service

Dean Carol Lancaster

Lancaster, the first Georgetown alumna (F '64) to head the School of Foreign Service, is a professor of politics in SFS with a joint appointment in the government department. She has published numerous books and articles on the politics of foreign aid, the politics of development and development in Africa. Lancaster was the deputy administrator of the U.S. Agency for International Development from 1993 to 1996 and has consulted for the United Nations, the World Bank and numerous other organizations. Learn more

Robert Emmett McDonough School of Business

Dean David A. Thomas

Thomas is a former professor and associate dean at Harvard Business School and served as director of the school’s Organizational Behavior Unit. Thomas' research focuses on issues related to executive development, cultural diversity in organizations, leadership and organizational change, and has made numerous contributions during his tenure at Harvard, where he served on the faculty since 1990. Learn more

School of Continuing Studies

Dean Robert Manuel

Manuel has more than 20 years experiences in higher education. As dean of the School of Continuing Studies (SCS), he oversees master’s programs, professional certificates; and a bachelor’s, master’s and doctoral degree in Liberal Studies. SCS also houses summer programs and the Center for Continuing and Professional Education. Prior to arriving at Georgetown, Manuel was assistant dean and clinical associate professor at New York University’s School of Continuing and Professional Studies (SCPS). At SCPS, he administered several masters, bachelors and associate degree programs and managed online certificate programs. Learn more

Georgetown Public Policy Institute

Dean Edward Montgomery

Montgomery came to Georgetown after serving on President Obama’s Auto Task Force and as the Executive Director of White House Council for Auto Communities and Workers. Prior to that appointment, he was dean of the University of Maryland’s largest college, the College of Behavioral and Social Sciences from 2003–2009, where he also served as a professor of economics since 1992. As dean, he focused on building their social science research program, improving faculty productivity, broadening the undergraduate experience and expanding diversity. Learn more

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Dean Gerd Nonneman

Nonneman is a former professor of international relations and Middle East politics at the University of Exeter in the United Kingdom. Nonneman joined the faculty of University of Exeter since 2007, and previously served as director of its Institute of Arab & Islamic Studies. Prior to coming to the University of Exeter, Nonneman held the position of professor of Middle East politics at the U.K.’s Lancaster University, where he oversaw that university’s M.A. Studies program. He has a long record of engagement with the governmental and NGO policy community, both in the West and in the Gulf region. From 2003-2004, Nonneman assisted the Ministry of Foreign Affairs of the Sultanate of Oman in developing the curriculum for its Diplomatic College.