Sonia Hernandez-Diaz
Primary Faculty

Sonia Hernandez-Diaz

Professor of Epidemiology


Other Positions

Director, Pharmacoepidemiology Program


Harvard T.H. Chan School of Public Health


Sonia Hernandez-Diaz, MD, DrPH is a Professor of Epidemiology at the Harvard T.H. Chan School of Public Health. Her area of interest is drug safety evaluation from non-randomized data, with a special emphasis on the design, conduct, and analysis of studies in pregnant women and their infants. Examples of her work include inquiries of the comparative safety of psychotropics for pregnant women and their offspring using real world evidence from both pregnancy registries and large healthcare databases. She is Past-President of the International Society for Pharmacoepidemiology and the Society for Perinatal and Pediatric Epidemiology Research; and serves as a Special Government Employee for the FDA Drug Safety and Risk Management Advisory Committee (current Chair), as a member of the NICHD Pregnancy & Neonatology (PN) Study Section, and as member of the Teratogenic Information Services (TERIS) Advisory Board. Through her service to public health institutions she has contributed to the translation of research into policy and actionable recommendations for stakeholders.



The importance of studying treatments in pregnant people

At the 16th Kolokotrones Symposium, experts discussed the importance of including pregnant people when testing vaccines and drugs, the challenges of collecting data for that population, and research methods that could help fill the data gap.