Scientists & Staff | National Institute of Environmental Health Sciences

Scientists & Staff | National Institute of Environmental Health Sciences
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Systems Toxicology Branch
Chief
Cynthia V. Rider, Ph.D.
Chief, Systems Toxicology Branch
Tel 984-287-3175
[email protected]
Scientists & Staff
Chad R. Blystone, Ph.D.
Toxicologist
Tel 984-287-3113
[email protected]
Catalina Cobos-Uribe, Ph.D.
Fellow - IRTA
Tel 984-287-3179
[email protected]
June K. Dunnick, Ph.D.
Project Manager - Toxicologist
Tel 984-287-3124
Fax 919-541-4255
[email protected]
Rachel P. Frawley
Health Scientist
Tel 984-287-3132
[email protected]
Dori R. Germolec, Ph.D.
Biologist
Tel 984-287-3134
[email protected]
William M. Gwinn, Ph.D.
Biologist
Tel 984-287-4216
[email protected]
Zakiyah R. Henry, Ph.D.
Fellow - IRTA
Tel 919-673-1578
[email protected]
Kristen R. Ryan, Ph.D.
Staff Scientist, Toxicologist
Tel 984-287-3179
[email protected]
Stephanie L. Smith-Roe, Ph.D.
Genetic Toxicologist
Tel 984-287-3189
Fax 919-541-3647
[email protected]
Nigel J. Walker, Ph.D.
Staff Scientist
Tel 984-287-3204
Fax 301-451-5596
[email protected]
Michael E. Wyde, Ph.D.
Toxicologist
Tel 984-287-3210
Fax 919-541-4255
[email protected]
Xinwen Zhang
Fellow - Visiting
Tel 984-287-3189
[email protected]
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Last Reviewed: April 09, 2026