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Scientists & Staff

Toxicology Operations Branch

Paul M. Foster, Ph.D. Paul M. Foster, Ph.D.
Acting Chief, Toxicology Operations Branch
Group Leader, Integrated Toxicology Group
Deputy Director, NTP Center for the Evaluation of Risks to Human Reproduction

Tel (919) 541-2513
foster2@niehs.nih.gov

Rajendra S. Chhabra, Ph.D. Rajendra S. Chhabra, Ph.D.
Group Leader, The General Toxicology Group

Tel (919) 541-3386
chhabrar@niehs.nih.gov

Joseph J. Roycroft, Ph.D. Joseph J. Roycroft, Ph.D.
Group Leader, The Program Operations Group

Tel (919) 541-3627
roycroft@niehs.nih.gov

Ruth M. Lunn, Dr.P.H. Ruth M. Lunn, Dr.P.H.
Director
Report on Carcinogens Group

Tel (919) 316-4637
lunn@niehs.nih.gov

RADM William S. Stokes, D.V.M., D.A.C.L.A.M. RADM William S. Stokes, D.V.M., D.A.C.L.A.M.
Director, NICEATM Executive Director, ICCVAM

Tel (919) 541-7997
stokes@niehs.nih.gov

Jack Bishop, Ph.D. Jack Bishop, Ph.D.
Staff Scientist/ Research Geneticist

Tel (919) 541-1876
bishop@niehs.nih.gov

Beth Bowden Beth Bowden
IT Specialist

Tel (919) 541-3355
bowden1@niehs.nih.gov

Doug Bristol, Ph.D. Doug Bristol, Ph.D.
Chemist

Tel (919) 541-2756
bristol@niehs.nih.gov

John R. Bucher, Ph.D. John R. Bucher, Ph.D. (http://devwww.niehs.nih.gov/about/od/ontp/index.cfm)
Associate Director, NTP

Tel (919) 541-4532
bucher@niehs.nih.gov

Po C. Chan, Ph.D. Po C. Chan, Ph.D.
Biologist

Tel (919) 541-7561
chanp@niehs.nih.gov

Helen C. Cunny, Ph.D. Helen C. Cunny, Ph.D.
Toxicologist

Tel (919) 541-5717
cunnyh@niehs.nih.gov

June K. Dunnick, Ph.D. June K. Dunnick, Ph.D.
Toxicologist

Tel (919) 541-4811
dunnickj@niehs.nih.gov

Dori Germolec, Ph.D. Dori Germolec, Ph.D.
Biologist

Tel (919) 541-3230
germolec@
niehs.nih.gov

Michelle J. Hooth, Ph.D. Michelle J. Hooth, Ph.D.
Toxicologist

Tel (919) 316-4643
hooth@niehs.nih.gov

Richard D. Irwin, Ph.D. Richard D. Irwin, Ph.D.
Chemist

Tel (919) 541-3340
irwin@niehs.nih.gov

Shawn Jeter Shawn Jeter
Technical Information Specialist
Report on Carcinogens Group

Tel (919) 541-3476
jeter@niehs.nih.gov

Gloria L. Nicholson Gloria L. Nicholson
IT Specialist

Tel (919) 541-2144
nichols3@niehs.nih.gov

Rachel Patterson, M.S. Rachel Patterson, M.S.
Biologist

Tel (919) 541-2151
patters6@niehs.nih.gov

Richard M. Rowley Richard M. Rowley
IT Specialist

Tel (919) 541-3436
rowley@niehs.nih.gov

Sharon A. Soward Sharon A. Soward
Technical Information Specialist

Tel (919) 541-5132
soward@niehs.nih.gov

Nigel Walker, Ph.D. Nigel Walker, Ph.D.
Staff Scientist

Tel (919) 541-4893
walker3@niehs.nih.gov

Kristine Witt, M.Sc Kristine Witt, M.Sc
Toxicologist

Tel (919) 541-2761
witt@niehs.nih.gov

Michael E. Wyde, Ph.D., D.A.B.T. Michael E. Wyde, Ph.D., D.A.B.T.
Toxicologist

Tel (919) 316-4640
wyde@niehs.nih.gov

   

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Last Reviewed: April 16, 2008