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Leadership Biographies

Leadership Biographies

Dawn O'Connell  

Dawn O'Connell

​Assistant Secretary for Preparedness and Response

U.S.​ Department of Health and Human Services



Ms. Dawn O’Connell serves as the Assistant Secretary for Preparedness and Response (ASPR) within the U.S. Department of Health and Human Services (HHS). The ASPR is the Secretary’s principal advisor on public health emergencies, and her office leads the nation in preventing, responding to, and recovering from the adverse health effects of man-made and naturally occurring disasters. 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 >


 
 
Nikki Bratcher-Bowman

Nikki Bratcher-Bowman

Principal Deputy Assistant Secretary for Preparedness and Response,

Chief Operating Officer​
Kacey Wulff

Kac​ey Wulff

Chief of Staff,

Deputy Assistant Secretary for
Preparedness and Response

David Hassell

David Christian Hassell, PhD

Senior Science Advisor,

Deputy Assistant Secretary for
Preparedness and Response
Gary Disbrow​​​​
                       Gary ​L. Disbrow, PhD

Director, Biomedical Advanced Research and Development Authority,

Deputy Assistant Secretary for
Preparedness and Response

Jonathan Greene

Jonath​an Greene

Director, Office of Operations and Resources,

Deputy Assistant Secretary for
Preparedness and Response
Patrick Hernandez

Patrick Hernandez

Director, Office of Incident Command and Control,

Deputy Assistant Secretary for
Preparedness and Response