Ken Hargreaves, DDS, PhD
Program Director, DDS/PhD Track Director

Dr. Hargreaves is a Professor in the Department of Endodontics and is cross-appointed in the Departments of Pharmacology Physiology and Surgery in the School of Medicine. He serves as a Director of the overall COSTAR Program and directs the DDS/PhD track. His area of research is focused on the neuropharmacology of peripheral nociceptors. For more research information click,-Kenneth-M


Stephen E. Harris, PhD
Postdoctoral Track Director

Dr. Harris is Director of the Postodoctoral Track.  He is Professor and Director of Research in the Department of Periodontics with a joint appointment in the Department of Cellular & Structural Biology and Biomedical Engineering.  His main research interests are gene regulation of osteocytes and their role in mechanical loading and bone morphogenetic protein in bone biology using mouse transgenic and conditional knock-out models, linked to high-throughput systems biology approaches.  For more research information click this link:

Spencer Redding, DDS, MEd  

Spencer Redding, DDS, MEd
Postdoctoral Track Director

Dr. Redding is Professor and Chair in the Department of Dental Diagnostic Science and Director of the Clinical Postdoctoral training in COSTAR.  He has extensive experience in conducting clinical trials and is actively engaged in research of oral opportunistic infections, including oropharyngeal candidiasis and drug resistance in immunosuppressed patients.  For more information click this link:


Brian Wickes, PhD
PhD Track Director

Dr. Wickes is Associate Professor in the Department of Microbiology and Immunology in the Graduate School of Biomedical Sciences.  Dr. Wickes directs the PhD track of COSTAR.  His research interest is in the biology and molecular biology of medically important fungi.  His laboratory mostly studies Cryptococcus neoformans, a basidiomycetous yeast that is closely related to mushrooms and a number of plant pathogens.  Their major interest in C. neoformans concerns the role that mating plays in virulence.  Other studies include Candida albicans and Aspergillus fumigatus.  For more information click this link: