FDA Overview Organization Chart - Text Version

February 4, 2026

The following office reports directly to the Secretary:
DEPARTMENT OF HEALTH AND HUMAN SERVICES FOOD AND DRUG ADMINISTRATION

Office of the Commissioner
Commissioner of Food and Drugs
Martin A. Makary, MD, MPH

The following office reports directly to the General Counsel of HHS, advises the Commissioner:
Office of the Chief Counsel
Chief Counsel
Sean Keveny, JD

The following offices report directly to the Commissioner:
Principal Deputy Commissioner
Sara Brenner, MD, MPH

Chief of Staff
James Traficant, MBA

Chief Operating Officer and Deputy Commissioner for Operations
Barclay P. Butler, MBA, PhD

Deputy Commissioner for Strategic Initiatives
Lowell Zeta, JD

Chief Medical and Scientific Officer
Vinayak Prasad, MD, PhD

Office of the Counselor to the Commissioner
Counselor to the Commissioner

Office of the Executive Secretariat
Director
Elisabeth Armstrong, DBe, MSc, MSc, HEC-C

Office of Digital Transformation
Chief Information Officer
Sridhar Mantha, MBA, MS
(Acting)

Office of Enterprise Transformation

Office of Planning, Evaluation, and Risk Management

Center for Biologics Evaluation and Research
Director
Vinayak Prasad, MD, MPH

Center for Devices and Radiological Health
Director
Michelle Tarver, MD, PhD

Center for Drug Evaluation and Research
Director
Tracy Beth Høeg, MD, Ph.D.
(Acting)

Center for Tobacco Products
Director
Bret Koplow, PhD, JD
(Acting)

Center for Veterinary Medicine
Director
Timothy Schell, PhD

Oncology Center of Excellence
Director
Angelo de Claro, MD
(Acting)

Office of Chief Medical Officer

Office of External Affairs
Associate Commissioner
Caleb Michaud
(Acting)
    
Office of Minority Health and Health Equity

Office of Operations
Chief Operating Officer and Deputy Commissioner for Operations
Barclay P. Butler, PhD, MBA
    
Office of Policy, Legislation, and International Affairs
Deputy Commissioner 
Grace Graham, MPP

Office of the Chief Scientist
Chief Scientist
Steven Kozlowski, MD

Office of Women’s Health
Associate Commissioner
Kaveeta Vasisht, MD, Pharm D

Human Foods Program
Deputy Commissioner
Kyle Diamantas, JD

Office of Inspections and Investigations
Associate Commissioner
Elizabeth Miller, Pharm D