Senior Management Group

William F. Greenlee, Ph.D.
President and Chief Executive Officer


The Senior Management Group is led by Dr. William F. Greenlee and is responsible for the oversight and management of institutional programs, strategic research initiatives, and operations.

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Melvin E. Andersen, Ph.D.
Director, Institute for Chemical
Safety Sciences; CSO; and
Hamner Distinguished Fellow
Paul B. Watkins, M.D.
Director, Institute for Drug Safety
Jamie H. Wilkerson, CPA, CGMA
Senior Director, Finance