Nancy Messonnier

Nancy Messonnier
Director of the National Center for Immunization and Respiratory Diseases
In office
April 4, 2016  May 14, 2021
Preceded byAnne Schuchat
Succeeded bySam Posner (acting)
Personal details
Born
Nancy Ellen Rosenstein

November 1965 (age 59)
Philadelphia, Pennsylvania, U.S.
SpouseMark Messonnier
RelativesRod Rosenstein (brother)
EducationUniversity of Pennsylvania (BA)
University of Chicago (MD)
WebsiteGovernment website
Military service
Allegiance United States
Service U.S. Public Health Service
RankCaptain
UnitPHS Commissioned Corps

Nancy Messonnier (née Rosenstein; born November 1965) is an American physician who served as the director of the National Center for Immunization and Respiratory Diseases at the Centers for Disease Control and Prevention from 2016 to 2021. She worked on the CDC's response to the COVID-19 pandemic in the United States.