Marie DeLorenzo, PhD

Ecotoxicology Branch Chief
Hollings Marine Laboratory

DeLorenzo serves as the Chief of the Ecotoxicology Branch. She oversees a team of approximately 15 scientists conducting research to characterize the fate and effects of chemical contaminants in coastal ecosystems. The Ecotoxicology Branch studies a variety of coastal contaminant issues including pesticide runoff, pharmaceuticals, microplastics, climate stressor-chemical interactions, oil spills, and PFAS.

DeLorenzo currently serves on the graduate faculty at the College of Charleston, the University of South Carolina, Texas A&M University, and Florida A&M University. DeLorenzo represents NOAA on the National Science and Technology Council Joint Subcommittee on Environment, Innovation, and Public Health Strategy Team on PFAS, is Chair of the Coastal Pesticide Advisory Committee, and previously served as  the NOAA representative to the National Water Quality Monitoring Council, President of the Carolinas Chapter of the Society of Environmental Toxicology and Chemistry, and President of the Southeastern Estuarine Research Society.

DeLorenzo received her Bachelor of Science degree in Environmental Resource Management with a minor in Marine Science from Penn State University in 1992, followed by a Master of Science degree in Ecology from Penn State in 1994. She earned her Ph.D. at Clemson University in Environmental Toxicology in 1997.


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