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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]
P.O. Box 12233
Mail Drop B2-06
Durham, N.C. 27709
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]
P.O. Box 12233
Mail Drop B2-01
Durham, NC 27709

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]
Sharon L. Evans
Executive Secretariat
Tel 984-287-3798
Fax 919-541-2260
[email protected]
Sherry A. Eason
Administrative Specialist
Tel 984-287-3800
[email protected]