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Your Environment. Your Health.

Scientists & Staff

National Toxicology Program Division - Associate Director's Office

Associate Director

Brian Berridge
Brian R. Berridge, D.V.M., Ph.D., D.A.C.V.P.
Associate Director, National Toxicology Program
Scientific Director, National Toxicology Program Division

Tel 984-287-3111
brian.berridge@nih.gov

Deputy Division Directors

Nigel J. Walker, Ph.D., D.A.B.T.
Nigel J. Walker, Ph.D.
Deputy Division Director for Research

Tel 984-287-3204
Fax 301-451-5596
walker3@niehs.nih.gov
Mary S. Wolfe, Ph.D.
Mary S. Wolfe, Ph.D.
Deputy Division Director for Policy
Director, Office of Liaison, Policy, and Review

Tel 984-287-3209
Fax 301-451-5759
wolfe@niehs.nih.gov

Senior Scientist

John R. Bucher, Ph.D.
John R. Bucher, Ph.D.
Senior Scientist

Tel 984-287-3116
Fax 919-541-4255
bucher@niehs.nih.gov

Toxicology Liaison

Christopher Weis, Ph.D., D.A.B.T.
Christopher P. Weis, Ph.D.
Toxicology Liaison

Tel 301-496-3511
christopher.weis@nih.gov