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U.S. Department of Health and Human Services

ASPR Leadership Biographies

Nikki Bratcher-Bowman

Acting Assistant Secretary for Preparedness and Response                
U.S. Department of Health and Human Services

Mrs. Nikki Bratcher-Bowman currently serves as the Acting Assistant Secretary for Preparedness and Response (ASPR) within the U.S. Department of Health and Human Services (HHS). The ASPR functions as the Secretary's principal advisor on matters related to public health emergencies, including bioterrorism. The office leads the nation in preventing, responding to and recovering from the adverse health effects of manmade and naturally occurring disasters and public health emergencies. As such, the office coordinates interagency activities between HHS, other federal agencies, and state and local officials responsible for emergency preparedness and the protection of the civilian population from public health emergencies. Learn More >>​

Picture of Robert Kadlec

ASPR Deputy Assistant Secretaries

Biography of David Hassell
Button (Hassell Bio)


For Patients
Biography of Gary Disbrow


Jonathan Greene
Biography of Jonathan Greene
Photo of Patrick Hernandez is currently not available.
Biography of Patric Hernandez

  • This page last reviewed: April 21, 2021