Dr. Bradley has been with Charles River since 1998 where she is the senior director of pathology. In this capacity she leads a team of veterinary pathologists and pathology analysts. She has specialist interest and provides consultancy services in neuropathology, non-human primate pathology, medical devices, and cellular therapy products (human and animal stem cells). She is an experienced study pathologist for acute, long term reproductive toxicology, tumorigenicity, oncogenicity, microautoradiography, target animal safety and carcinogenicity studies. She has authored over 700 GLP or GMP compliant toxicological peer reviewed pathology and photomicroscopy reports. She is the GLP and GMP Study Director as well as the Quality Control Manager for GMP pathology services. Dr. Chilton has been with Charles River since 2007 where she is the senior veterinary pathologist. She has specialist interest and provides consultancy services in neuropathology, non-human primate and comparative pathology. She has authored numerous GLP and investigative toxicological reports and is currently the neuropathology liaison to The National Chimpanzee Brain Resource (NCBR), George Washington University, Washington DC and staff pathologist for the Alamogordo Primate Facility, Alamogordo, NM. Ms. Mahler is a Pathology Associate with over 32 years of experience as a certified histologist (HT) in the areas of histology, animal necropsy, and digital photomicroscopy. Since 2006, she has served as the illustrations editor for the journal Toxicologic Pathology. Past illustrative editorship roles include associate editor of Pathology of the Mouse, edited by Dr Robert R. Maronpot.