
Avian Bioscience Center
Interim Director
Mark Parcells, Ph.D. is a professor of molecular virology in the Department of Animal and Food Sciences, with joint appointments with the Departments of Biological Sciences and Medical and Molecular Sciences.
After receiving his bachelor's degree in Biology from UD in 1984, he worked at DuPont and the Experimental Station before earning his Ph.D. in Biological Sciences in 1994.
In his career, he has served as a limited-term researcher at UD, an Assistant Professor of Molecular Virology at the Center of Excellence for Poultry Science at the University of Arkansas, and an Associate Professor and Professor of Molecular Virology, returning to UD once more. Parcells has extensively studied Marek's disease virus (MDV) and has made fundamental discoveries, receiving the József Marek Memorial Award in 2007 for his contributions to the field. He also engages in teaching, offering courses in Animal Virology, Immunology of Domestic Animals, and guest lectures on Viral Pathogenesis. Dr. Parcells' work extends to providing expert reviews for veterinarians and serving on scientific advisory boards for animal health companies.