Your Guidance in the World of Toxicologic Pathology
Dr. Schafer founded Greenfield Pathology Services in 2019 and has over 20 years of experience working for pharmaceutical companies and a CRO. He brings integrity and depth of knowledge to the field of toxicologic pathology in his support of clients.
Dr. Jordan has over 30 years of experience in toxicologic pathology, having worked in both the pharmaceutical company and CRO arenas. Dr. Jordan leverages his extensive background in neuropathology and general toxicologic pathology in support of clients pursuing drug development.
Dr. Hoover has extensive experience in toxicologic pathology, having led the pathology department in a large pharmaceutical company. Dr. Hoover brings this broad base of experience to GPS in primary pathology evaluations and peer review.
Dr. Clemo has over 20 years of experience in toxicologic pathology (clinical and anatomic pathology), having worked in various pharmaceutical and CRO companies. Dr. Clemo will support clients through her in-depth clinical pathology knowledge of many small molecule, medical device, and biotherapeutics programs.
Dr. Neu has over 25 years of toxicologic pathology experience in pharmaceutical company and CRO environments, plus 10 years of experience in diagnostic pathology. She has experience with a variety of species beyond the usual laboratory animals including livestock such as cattle, horses, pigs, and sheep.
Dr. Hutt has nearly 20 years of toxicologic and investigative pathology experience, having worked previously at CROs and an inhalation toxicology research institute. She has experience in target animal species studies using cattle, horses, pigs and poultry. She uses her background in general and inhalation toxicologic pathology to suppor
Dr. Hutt has nearly 20 years of toxicologic and investigative pathology experience, having worked previously at CROs and an inhalation toxicology research institute. She has experience in target animal species studies using cattle, horses, pigs and poultry. She uses her background in general and inhalation toxicologic pathology to support clients in the development of small molecule and biotherapeutics programs.
Dr. Njaa supports GPS with otic pathology assessments. Dr. Njaa has had a long standing interest in the ear, having published book chapters on the pathology of the ear and clinical investigations of otic pathology.
Dr. Van Alstine brings medical device pathology expertise to GPS. Bill has served as faculty at Purdue University, worked as a consultant, and performed all the necessary roles for the preclinical development of medical devices at a sponsor company.
Dr. Hall has extensive experience in neuropathology assessment in nonclinical toxicology studies. Greg brings to GPS over 20 years of experience supporting drug development in a large biopharma setting with a focus on neurology indications.
Wendy Rhoades is the contracts manager for GPS. Wendy has 20 years of experience in nonclinical research and development working for both CROs and Sponsor companies. Wendy brings her experience in contract management and negotiation, project management, and organizational leadership to the GPS team.
All of our pathology staff are experienced toxicologic pathologists with 20 or more years of experience each. This includes primary evaluation and peer review of all types of studies, from discovery and lead optimization to carcinogenicity assessment.
GPS: Your Guidance in the World of Regulated Toxicologic Pathology. We strive to help clients, including businesses large and small, with toxicologic pathology needs from slide evaluation to peer review to white papers and expert consulting to pathology working groups to advice on pathology in regulatory submissions.
Our pathologists bring added expertise to the table, beyond the evaluation of routine toxicology studies. This expertise is in the areas of ocular, otic, neuropathology, respiratory system, and medical device assessment as well as extensive drug development experience.