Officers

Dr. Tracey L. Papenfuss is a board-certified veterinary pathologist and PhD immunologist with areas of professional interest in immunopathology and immunotoxicology evaluation, particularly for immune-impacting therapies and novel immunotherapies. She received her BS from the University of Fairbanks, Alaska, DVM and MS in veterinary biosciences from the University of Minnesota, and completed her residency and PhD in immunology from The Ohio State University. She held an appointment as research faculty and directed an NIH-funded immunopathology and early discovery immunotherapeutics laboratory at The Ohio State University studying immunological and anti-inflammatory therapies in animal models of autoimmunity, immuno-oncology, and infectious diseases. In 2014, she moved to industry to work as a toxicologic pathologist for discovery and safety assessment projects at WIL Research, MPI Research, Charles River, and StageBio. She is a Senior Pathologist, leads the Immune Service line, and provides scientific guidance to clients at StageBio. She has deep expertise in immunology and pathology which she leverages to promote biomedical research and promotes scientific engagement and consultation across teams to optimize science, operations, business growth, and policy.

Dr. Papenfuss is a Diplomate of the American College of Veterinary Pathology (DACVP), a fellow of the International Academy of Toxicologic Pathology (IATP), and is an active member in numerous scientific organizations including the Society of Toxicologic Pathology (STP), Society of Toxicology (SOT), Health and Environmental Sciences Immunosafety Technical Committee (HESI-ITC), the American College of Toxicology (ACT), and American College of Veterinary Pathology (ACVP). She holds leadership positions in many of these organizations and focuses on promoting scientific education and outreach within comparative and translational biomedical fields. She has also mentored numerous trainees and early career scientists in both the veterinary, biomedical, pathology, and immunology fields and highlighted career opportunities within academia, industry, and beyond. Dr. Papenfuss has published over 50 articles and book chapters and given numerous presentations both nationally and internationally on the subjects of: immunology, pathology, immunosafety, veterinary and comparative medicine, and translational biomedical sciences.

Dr. Yogesh Saini is a Professor of Immunology and Toxicology in the Department of Population Health and Pathobiology at North Carolina State University's College of Veterinary Medicine. He earned his DVM from the College of Veterinary and Animal Sciences in Palampur, India, and completed his PhD at Michigan State University in 2010, focusing on toxicology and immunology. Following his PhD, he pursued postdoctoral training at the University of North Carolina at Chapel Hill.

In 2014, Dr. Saini began his independent research career as a tenure-track Assistant Professor at Louisiana State University (LSU). He was promoted to Associate Professor with tenure in 2019, before joining NC State as a full Professor. He currently mentors nine graduate students and one postdoctoral fellow. His research explores the impact of environmental pollutants, including allergens, ozone, and chlorine, on lung health and disease mechanisms.

As a member of SOT since 2008, Dr. Saini has been actively involved in several specialty sections, such as Metals, CTVPSS, Immunotoxicology, and IRSS. Dr. Saini has published 50 peer-reviewed articles in prominent journals such as American Journal of Physiology - Lung Cellular and Molecular Physiology, American Journal of Respiratory Cell and Molecular Biology, Journal of Immunology, Toxicological Sciences, and Scientific Reports. A dedicated member of the Society of Toxicology (SOT) since 2008, he has received multiple honors and awards from the organization. He has authored numerous abstracts in the SOT meetings since 2008. He has extensive leadership experience having served as President of the Tau chapter of Phi Zeta (LSU), graduate program recruiter (LSU), chair of research committee (LSU), director of program grants (NCSU), assistant department head (NCSU), and co-director of pilot project program of CHHE (NCSU). He has supported CTPVSS in various capacities including award review and networking events.

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Dr. Patial is a Scientist/Pathologist in the Division of Translational Toxicology at the National Institute of Environmental Health Sciences where she leads the Toxicologic Pathology Training Program and is actively involved in translational environmental health research. Prior to this, she worked as a Tenure-Track Assistant Professor in the Department of Comparative Biomedical Sciences at Louisiana State University, School of Veterinary Medicine. She received her DVM from the College of Veterinary and Animal Sciences, Palampur, India and her PhD from Michigan State University in 2010. Thereafter, she completed a postdoctoral fellowship at the National Institute of Environmental Health Sciences and a residency in Veterinary Anatomic Pathology at Louisiana State University. She is an author and co-author of more than 40 publications that include peer-reviewed publications and book chapters. She has received multiple awards over the years that includes recent university-wide LSU Alumni Association Rising Faculty Award and LSU Lung COBRE Successful Graduation award. She has also served on multiple NIH study sections in the last six years. Dr. Patial has been an active member of the SOT since 2015. She is also involved in other organizations including STP, ACVP, AAI, and ASIP. For the Comparative Toxicology, Pathology, and Veterinary Specialty Section Specialty Section (CTPVSS), she served as a Councilor between 2021–2023. Towards her potential role as a Vice President-Elect for the CTPVSS, she is looking forward to increasing the membership, providing mentorship opportunities to trainees, proposal development on environmentally relevant research topics, organizing Annual Meetings and mixers for members, and helping advocate and grow CTPVSS as an organization.

Dr. John Buchweitz is an Associate Professor in the Department of Pathobiology and Diagnostic Investigation at Michigan State University’s College of Veterinary Medicine. Throughout his career, he has held numerous academic and professional positions. He currently serves as the Section Chief of the Nutrition and Toxicology Unit at the MSU Veterinary Diagnostic Laboratory (2012-2025) where he specializes in veterinary toxicology with an emphasis in clinical, forensic and regulatory diagnostics. He provides consultation on toxicology and nutritional cases, oversees thousands of diagnostic tests annually, and contributes to the veterinary field through research, teaching, and administrative service. He earned his BS in Biochemistry (1992), MS in Animal Science (2001), and dual-Ph.D. in Pharmacology and Toxicology and Environmental Toxicology (2007) from Michigan State University. He is actively involved in professional organizations, including serving on the Executive Board for the American Board of Toxicology (ABT) and holding fellowships with the Academy for Diagnostics and Laboratory Medicine (ADLM) and the Academy of Toxicological Sciences (ATS).

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