Baylor University | Canada
Professor John P. Giesy is a globally recognized environmental chemist and ecotoxicologist, renowned for his pioneering work in identifying and characterizing perfluorinated compounds (PFCs) in the environment. He earned his B.S. in Biology (Summa Cum Laude) from Alma College, followed by an M.Sc. and Ph.D. in Limnology from Michigan State University. Throughout his distinguished career, Professor Giesy has held leading academic and research positions worldwide, contributing extensively to environmental science, risk assessment, and ecosystem protection. His research focuses on the fate and effects of environmental contaminants, chemical safety, and the development of ecological models for sustainable management. With an exceptional record of 1,304 peer-reviewed publications, over 75,308 citations, and an H-index of 126, he ranks among the most cited scientists in environmental sciences globally. Professor Giesy is a Fellow of the Royal Society of Chemistry (UK) and the Royal Society of Canada and a member of the National Academy of Science of Canada. His numerous honors include the SETAC Founders Award, Environmental Education Award, Global Capacity Building Award, and the Royal Society of Canada’s Miroslaw Romanowski Medal. His lifelong contributions continue to shape global environmental policy and scientific innovation in ecotoxicology and sustainable chemistry.
Profiles : Scopus | Orcid
Featured Publications
Lin, T., Zhou, S., He, H., Guo, J., Sturchio, N. C., Rockne, K. J., Giesy, J. P., & Li, A. (2025). Halogenated flame retardants in the sediments of the lower Great Lakes and region-wide discoveries. Journal of Hazardous Materials.
Al Naggar, Y., Fahmy, N., Alkhaibari, A., Al-Akeel, R., Alharbi, H., Mohamed, A., Eleftherianos, I., El-Seedi, H., Giesy, J. P., & Alharbi, H. (2025). Mechanisms and genetic drivers of resistance of insect pests to insecticides and approaches to its control. Toxics.
Mahoney, H., Ankley, P., Roberts, C., Lamb, A., Schultz, M., Zhou, Y., Giesy, J. P., & Brinkmann, M. (2025). Correction to “Unveiling the molecular effects of replacement and legacy PFASs: Transcriptomic analysis of zebrafish embryos reveals surprising similarities and potencies.” Environmental Science & Technology.
Engelbrecht, I., Horn, S. R., Giesy, J. P., & Pieters, R. (2025). Quantification of pesticides and in vitro effects of water-soluble fractions of agricultural soils in South Africa. Archives of Environmental Contamination and Toxicology.
Kim, T., Zhen, J., Lee, J., Park, S. Y., Lee, C., Kwon, B.-O., Hong, S., Shin, H.-M., Giesy, J. P., & Chang, G. S. (2024). Prediction of cytotoxicity of polycyclic aromatic hydrocarbons from first principles. Science of the Total Environment.