Scientists & Staff | National Institute of Environmental Health Sciences Skip Navigation Scientists & Staff Close the left navigation Add Worker Education and Training Branch Sharon D. Beard, M.S. Branch Chief; Worker Education and Training Branch Tel 984-287-3237 [email protected] Jonathan M. Burg, Ph.D. Health Scientist Administrator Tel 984-287-3341 [email protected] Kim A. Gaetz, Ph.D., M.S.P.H. Health Specialist Tel 984-287-3733 [email protected] Amelia J. Pearson Industrial Hygienist Tel 984-287-3395 [email protected] Eric Persaud, Dr. P.H. Health Specialist Tel 202-993-6256 [email protected] Back to Top Last Reviewed: January 26, 2026