Timothy R. Fennell

Timothy Fennell, PhD, conducts in vitro and in vivo research investigations funded by industrial, commercial, and government clients. He has more than 40 years of experience in mechanistic-based research and is recognized as an expert in biomarkers, particularly in the area of reactive chemicals/metabolites and exposure assessment via protein- and DNA-adduct measurement. His recent research activities include investigations of the pharmacokinetics of potential therapeutic agents and their ability to cross the blood-brain barrier. 

Dr. Fennell served as the director of the RTI Center for Nanotechnology Health Implications Research funded by the National Institute of Environmental Health Sciences. He is currently the Toxicokinetics Task Leader for the Chemistry Support Services Contract for the National Toxicology Program. He is a Multiple PI for the North Carolina Untargeted Analysis Hub for the Human Health Exposure Assessment Resource, funded by the National Institute of Environmental Health Sciences.  He served as the Program Manager for the Endocrine Disruptor Screening Program contract funded by the Environmental Protection Agency.