Jennifer Brennan, Ph.D.


Jennifer (Jenny) is a Research Toxicologist at the USGS Columbia Environmental Research Center. She received her doctoral and master's degrees from University of California-Davis where she studied effects-directed analysis of bioactive phytochemicals and development of in vitro cell bioassays for endocrine-active substances. Presently, her research focuses on characterization of cell bioassays for endocrine-active substances and use of these bioassays in effects-directed analysis of endocrine-active substances from various locations within the Chesapeake Bay Watershed.


Ph.D. Agricultural and Environmental Chemistry, University of California-Davis, 2015
M.S. Avian Sciences, University of California-Davis, 2009
B.S. Biology (Magna Laude), James Madison University, 2006

Professional Experience

2015-present, Research Toxicologist, U.S. Geological Survey, Columbia Environmental Research Center, Columbia, MO
2010-2015, Research Assistant, Dept. of Environmental Toxicology, University of California-Davis
2006-2009, Research Assistant, Dept. of Animal Science, University of California-Davis
2007-2014, Teaching Assistant, Depts. of Chemistry, Environmental Toxicology, Science and Society, and Biological Sciences, University of California-Davis


2011-present, Society of Toxicology
2007-present, Society of Environmental Toxicology and Chemistry
2005-present, Iota Sigma Pi, Women's Honor Society in Chemistry