Close the left navigation

The Office of the Director provides leadership, coordinates initiatives, and oversees the scientific research, administration, and communications for the National Institute of Environmental Health Sciences (NIEHS) and National Toxicology Program (NTP).

Richard Woychik, Ph.D.

Richard Woychik, Ph.D.

Director, NIEHS & NTP and Principal Investigator
Tel 919-541-3201
Fax 919-541-5136
[email protected]
Trevor K. Archer, Ph.D.

Trevor K. Archer, Ph.D.

Deputy Director, NIEHS;
NIH Distinguished Investigator
Tel 984-287-4000
Fax 919-316-4566
[email protected]

Executive Staff

Mary E. Billheimer

Chief of Director's Operations
Tel 984-287-3805
[email protected]

Tina M. Loos

Program Specialist (Administrative Operations)
Tel 984-287-4429
[email protected]

David S. Smith

Program Specialist (Leadership and Program Operations)
Tel 984-287-3810
[email protected]

Sherry A. Eason

Administrative Specialist
Tel 984-287-3800
[email protected]