The Graduate School promotes excellence in graduate education by providing consistent, responsive support and open communication for students and the NDSU community.
Dean of the College of Graduate and Interdisciplinary Studies
David A. Wittrock, Ph.D.
As Dean of the College of Graduate and Interdisciplinary Studies and Dean of the College of University Studies, Dr. David Wittrock is responsible for the administration of all graduate education activities and graduate interdisciplinary programs, supervising distance education activities, and overseeing the College of University Studies. Under Dr. Wittrock's leadership, the College of Graduate and Interdisciplinary Studies at North Dakota State University has attained Carnegie Foundation Comprehensive Doctoral Status.
Dr. Wittrock earned his bachelor's degree from the University of Wisconsin at Madison and his doctoral degree at the State University of New York at Albany. He rearned his doctoral training in clinical psychology and has published more than 40 articles and book chapters on topics dealing with the interactions of stress and coping and the experiences of headache and pain. Dr. Wittrock has been employed by NDSU since 1989 and is a professor in the Department of Psychology. He was named Dean of the College of Graduate and Interdisciplinary Studies and Dean of University Studies in 2003.
Interim Associate Dean
Mark Sheridan, Ph.D.
Dr. Mark Sheridan serves as the interim associate dean for the College of Graduate and Interdisciplinary Studies where he is responsible for identifying and securing funding for graduate students, research programs and other support services for graduate students and faculty; leading the College of Graduate and Interdisciplinary Studies curriculum committee; and serving on the University Academic Affairs Committee. In addition to his new position, Sheridan will continue his faculty role as a James A. Meier and Jordan A. Engberg Professor in the Department of Biological Sciences and Director of the Cellular and Molecular Biology Program at North Dakota State University.
Dr. Sheridan’s laboratory conducts research on the regulation of growth, development and metabolism of animals. He has received over $26 million in grants for direct research support and research infrastructure enhancement from several funding agencies, including NIH, NSF, and USDA. He has published three books, six book chapters, 126 peer-reviewed journal articles, and holds one patent.
A native of California, Sheridan earned a B.A in zoology and a M.S. in biology from Humboldt State University, Arcata, California, and his Ph.D. in zoology from the University of California--Berkeley. He did postdoctoral research at the University of Washington, and joined the faculty at NDSU as an assistant professor in 1985.
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