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.


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.

Internet Explorer is no longer a supported browser.

This website may not display properly with Internet Explorer. For the best experience, please use a more recent browser such as the latest versions of Google Chrome, Microsoft Edge, and/or Mozilla Firefox. Thank you.

COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC. Get the latest research information from NIH.

Your Environment. Your Health.

Principal Investigators

Reproductive & Developmental Biology Laboratory

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

Tel 984-287-3987
Carmen Williams
Carmen J. Williams, M.D., Ph.D.
Deputy Chief, Reproductive & Developmental Biology Laboratory and Principal Investigator

Tel 984-287-4313
Fax 301-480-2732
Kenneth S. Korach, Ph.D.
Kenneth S. Korach, Ph.D.
Scientist Emeritus

Tel 984-287-3818
Marcos Morgan, Ph.D.
Marcos Morgan, Ph.D.
Stadtman Investigator

Tel 984-287-3337
Masahiko Negishi, Ph.D.
Masahiko Negishi, Ph.D.
Principal Investigator

Tel 984-287-3824
Fax 919-541-0696
Humphrey Hung-Chang Yao, Ph.D.
Humphrey Yao, Ph.D.
Senior Principal Investigator

Tel 984-287-4004
to Top