The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the nation’s medical research agency — making important discoveries that improve health and save lives.

Portrait of Dr. Francis Collins.

The NIH Director

Francis S. Collins, M.D., Ph.D., was officially sworn in on August 17, 2009, as the 16th director of the NIH.

Close-up of the front of Building One.

NIH Leadership

NIH leadership plays an active role in shaping the agency's research planning, activities, and outlook.

Organization chart.


The NIH is made up of 27 different components called Institutes and Centers.

Close-up of a Rolodex file.

Staff Directory

The NIH Enterprise Directory (NED) is an electronic directory of people who work at the NIH.

Karenne Fru and Brad Reveal

Voices of the NIH Community

NIH’s project to capture an oral history of the research experience.

Dr. Joseph Goldberger seated at a table in a hospital.


For over a century, NIH scientists have paved the way for important discoveries that improve health and save lives.