Office of the Chief Scientist Organization Chart - Text Version

September 16,2026

The following header reflects the organizational hierarchy.
Food and Drug Administration
Office of the Chief Scientist

The following is the Food and Drug Administration, Office of the Chief Scientist, National Center for Toxicological Research organization structure depicting the organizational structure reporting to the Office Director. These organizational structures are organized in sequential order by their assigned Standard Administrative Code (Alphanumeric sequence of characters beginning with the letter D).  

Each organizational component will be depicted in the following standard format:

Title of organization.
Position title of the manager.
Military rank if any, first name, middle initial if any, last name, post graduate degrees if any, and if the individual is designated as acting.

Reports to the Office of the Commissioner
Office of the Chief Scientist
Chief Scientist
Steven Kozlowski, MD

Deputy Director
CAPT Sukhminder Sandhu, MS, MPH, Ph.D
(DCPA)

The following offices report to the Chief Scientist

Office of Scientific Integrity
Director
Vacant
(DCPD)

Office of Scientific Professional Development
Director
Vacant
(DCPE)

National Center for Toxicological Research
Center Director
Tucker Patterson, Ph.D.
(DCPF)

Office of Occupational Safety and Health
Director
Segaran Pillai, Ph.D.
(DCPG)

Office of Regulatory and Emerging Science
Director
Michael Mair, MS
(DCPH)

Office of Cosmetics & Colors
Director
Prashiela Manga, Ph.D.
(DCPI)

Office of Analytical and Regulatory Laboratories
Deputy Director
Sean Linder, Ph.D.
(DCPJ)

Office of Specialty Laboratories and Enforcement Support
Director
Bryan Gamble
(Acting)
(DCPK)

Office of Science and Laboratory Advancement
Associate Director
Selen Stromgren, Ph.D.
(DCPL)