University of Wisconsin
School of Medicine and Public Health

Gregory Gauthier, MD, MS

Associate Professor (CHS)


MADISON, WI 53706-1521

(608) 265-0429


  • The Ohio State University College of Medicine, Columbus, Ohio – MD  
  • University of Wisconsin School of Medicine and Public Health, Madison, WI – Residency in Internal Medicine 
  • University of Wisconsin School of Medicine and Public Health – Clinical and Research Fellowship in Infectious Disease 
  • University of Wisconsin-Madison – MS in Medical Microbiology and Immunology

Professional Activities 

Dr. Greg Gauthier is a faculty member in the Division of Infectious Diseases within the Department of Medicine. As a physician-scientist his goal is to bring the research findings at the bench into the clinic to improve the care and clinical outcomes of patients with invasive fungal infections, and he enjoys teaching undergraduates, medical students, residents, and infectious diseases fellows. Dr. Gauthier is a member of the UW Data Monitoring Committee, UW Institute for Clinical & Translational Research (ICTR), the University of Wisconsin Institutional Biosafety Committee (IBC), and the UW’s Institutional Review Board. Dr. Gauthier serves as a manuscript Reviewer for Wisconsin Medical Journal where he has been honored as an Outstanding Reviewer, and serves as Associate Editor of Fungal Genetics and Biology. He is a member of the Infectious Disease Society of America, the American Society for Microbiology and the Genetics Society of America. 

Clinical Specialties 

Dr. Gauthier’s clinical specialties include general infectious disease.  


Dr. Gauthier’s research seeks to understand the pathogenesis of the thermally dimorphic fungi at the molecular level using Blastomyces dermatitidis as a model organism. The goal of Dr. Gauthier's research is to understand the molecular mechanisms that underlie the ability of pathogenic fungi to cause disease in humans. His focus is on deciphering how the thermally dimorphic fungi, such as Blastomyces dermatitidis (the etiologic agent of blastomycosis), undergo the transition between mold and yeast, and acquire iron from the environment.