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Juan  Leon

Assoc Professor

Associate Professor

Faculty, Global Health

Faculty, Executive MPH

Jointly Appointed, Environmental Health

Jointly Appointed, Epidemiology

Juan Leon is a member of the Center for Global Safe Water, Sanitation, and Hygiene. His primary appointment is in the Hubert Department of Global Health at the Rollins School of Public Health of Emory University. He was born in Peru, grew up in the Dominican Republic, Haiti, Brazil, and Bolivia before continuing his training in the US. He received his Bachelor of Arts degree in Cell, Molecular and Developmental Biology from Dartmouth College. He received both his PhD in Immunology and Microbial Pathogenesis and Masters of Public Health in Epidemiology from Northwestern University. He moved to Emory University in 2004.


Dr. Leon’s area of research focuses on developing effective interventions to parasitic and enteric viral pathogens, especially those involved in foodborne and waterborne disease, by understanding the immune response of vulnerable individuals and the epidemiology of vulnerable populations to these pathogens. He is interested in four main areas:

  1. Neglected Tropical Diseases. Reducing morbidity and death from NTDs (e.g. Chagas disease) among Latin Americans and immigrants by improving access to care of vulnerable groups and training of their health providers.
  2. Fresh Produce Safety. Preventing outbreaks and illness from fresh produce by improving grower health and the microbial safety of fresh produce and worldwide. He is particularly interested in the US-Mexico border.
  3. Norovirus. Reducing outbreaks, illness, and death from norovirus, the most common cause of gastroenteritis worldwide, through applied immunology and epidemiology research.
  4. Enteric vaccines. Reducing the morbidity and mortality from diarrhea worldwide, especially in children, by increasing the benefits of enteric vaccines (e.g. rotavirus vaccine).

Dr. Leon currently serves as a reviewer for a number of immunology, parasitology, virology, food protection, and epidemiology journals. He has received RSPH, Emory, and national awards for his teaching and mentoring.


Please connect to the Team Website for additional information.

Contact Information

Emory University , Rollins School of Public Health - Mailstop 1518-002-7BB

Atlanta , GA 30322

Rollins School of Public Health - Mailstop 1518-002-7BB

Phone: (404) 727-7443

Fax: (404) 727-4590



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Areas of Interest

  • Clinical Trials
  • Community Based Research
  • Disease Pathogenesis
  • Environmental Health
  • Global Health
  • Infectious Disease
  • Maternal and Child Health
  • Public Health Practice
  • Rural Health
  • Safe Water, Sanitation and Hygiene
  • Vaccines


  • MPH in Epidemiology 2003, Northwestern University Medical School
  • PhD in Immunology 2003, Northwestern University Medical School
  • BA 1996, Dartmouth College

Courses Taught

  • GH 597R: Directed Study
  • GH 500D: Addressing Key Iss Global Hlth
  • GH 599R: Thesis
  • PUBH 601R: Global Service Prep.Seminar

Affiliations & Activities

Jointly appointed with Division of Infectious Diseases – School of Medicine, Emory University.