GRAY, Gregory C., MD, MPH, FIDSA | Duke Kunshan University

Professor, Infectious Diseases, Global and Environmental Health, Duke University;
Professor of Global Health, Duke Kunshan University;
Professor, Emerging Infectious Diseases, Duke-NUS Medical School, Singapore.


Gregory C. Gray MD, MPH, FIDSA is an infectious disease epidemiologist and a Professor at Duke Kunshan University, Duke University, and Duke-NUS Medical School (Singapore). He manages research teams with infectious disease laboratories in each of these facilities.

He leads the Duke One Health Network which involves more than 30 professionals studying more than 30 pathogens under 30 research and training projects running in 11 countries: China, Iraq, Malaysia, Mongolia, Pakistan, South Africa, the Philippines, the United States, and Vietnam (see the Duke One Health web site at:

Dr. Gray has conducted diverse epidemiological studies of infectious diseases for 25 years in 5 continents. He has authored more than 300 peer-reviewed manuscripts and book chapters.  Much of his work has involved identifying risk factors for occupational diseases, particularly for respiratory virus infections. He has studied numerous occupational groups including farmers, animal breeders, veterinarians, military personnel, turkey workers, poultry workers, horse workers, hunters, and pig workers. A strong supporter for the One Health approach, he has won multiple One Health research and training grants, helped to established centers of One Health (USA, Romania, China) and developed 4 graduate programs in One Health (PhD, MHS, and certificate).

He has won numerous professional awards including a US Navy Commendation Medal, the US Secretary of Defense Medal for Outstanding Public Service, and a US Department of Defense Legion of Merit medal for epidemiological research; College of Public Health Faculty Teaching Award, Global Health Studies Program Faculty Member of the Year, College of Public Health Faculty Research Award, International Studies Faculty Mentor of the Year, and College of Public Health Distinguished Faculty Lecturer all at the University of Iowa; the Medal of Honor from Mongolia’s Minister of Health for health sector development (MoH’s highest award), and the Peace Medal awarded by the President of Mongolia for research and prevention of communicable diseases (The Mongolian government’s highest honor for a foreigner); and Duke University’s Global Health Graduate Professor of the Year. 

His work in China has resulted in more than 30 research publications, designation as a high-end expert, and a visiting professorship. In 2014, he helped to organize the first One Health International Symposium in China (Guangzhou). His One Health Laboratory was the first laboratory on the DKU campus.  He currently serves as principal investigator for a five-year U.S NIH/NIAID R01 grant studying swine influenza virus transmission in China.