Skip Navigation
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Your Environment. Your Health.

Scientists & Staff

Pregnancy & Female Reproduction Group

Dr. Francesco DeMayo
Francesco J. Demayo, Ph.D.
Chief, Reproductive & Developmental Biology Laboratory and Principal Investigator

Tel 984-287-3987
francesco.demayo@nih.gov
Sylvia Hewitt
Sylvia C. Hewitt
Senior Biologist

Tel 984-287-4317
Fax 301-451-5657
sylvia.hewitt@nih.gov
Linwood Koonce
Linwood Koonce
Biological Laboratory Technician

Tel 984-287-4011
Fax 919-541-0696
koonce@niehs.nih.gov
Ryan Marquardt
Ryan M. Marquardt, Ph.D.
Fellow

Tel 984-287-3985
ryan.marquardt@nih.gov
Frank Orellana
Frank A. Orellana
Fellow — IRTA

Tel 984-287-3980
frank.orellana@nih.gov
Madhumita Ray
Mita Ray
Biologist

Tel 984-287-3983
ray7@niehs.nih.gov
Steven Wu
Steve Wu, Ph.D.
Staff Scientist

Tel 984-287-3986
steve.wu@nih.gov
Myeong-Jin Yi
Myeongjin Yi, Ph.D.
Fellow — Visiting

Tel 984-287-4308
myeongjin.yi@nih.gov
Back
to Top