Marianne Kozuch, Ph.D., is a Chemist III in the ATCL. She has extensive experience

analyzing a variety of environmental contaminants, including pesticides and PAHs. A

specialty is fatty acid analysis, including saturated fats, as well as mono- and

polyunsaturated species.


Nancy Denslow, Ph.D., Professor, oversees the aquatic bioanalytical and toxicity

assays conducted by the ATCL. She previously served for 15 years as the Director of

the Protein Chemistry and Molecular Biomarkers Core Facility at the University of

Florida. She currently serves on the Executive Board of the Association for Biomolecular

Research Facilities (ABRF).


Stephen Roberts, Ph.D. Professor, serves as administrative director of the ATCL, as

well as Director of the Center for Environmental & Human Toxicology. He received his

Ph.D. in Pharmacology and Toxicology from the University of Utah did a postdoctoral

fellowship in Pharmacokinetics at SUNY Buffalo. He has 40 years of experience in

conducting studies on the biological fate and effects of chemicals.