Faculty / Staff


Photo: Jennifer A. Larsen, DVM, PhD, DACVN

Jennifer A. Larsen, DVM, PhD, DACVN - Chief of Service

Associate Professor - Clinical Nutrition
Dr. Jennifer Larsen holds Bachelor's and Master's degrees in Animal Science and a DVM from UC Davis. She completed one year in local private practice before accomplishing a clinical nutrition residency at UC Davis. In 2007, Dr. Larsen attained Diplomate status from the American College of Veterinary Nutrition, and completed a PhD in Nutritional Biology in 2008. She is an Associate Professor of Clinical Nutrition at the UC Davis Veterinary Medical Teaching Hospital, and does clinical nutritional consulting through the hospital's Nutrition Support Service.

Photo: Andrea J. Fascetti, VMD, PhD, DACVIM, DACVN

Andrea J. Fascetti, VMD, PhD, DACVIM, DACVN

Professor - Nutrition
Dr. Andrea Fascetti graduated from the University of Pennsylvania, School of Veterinary Medicine. Following graduation she completed an internship and medicine residency at The Animal Medical Center in New York City. Dr. Fascetti holds a doctoral degree in nutrition from UC Davis. She is a diplomate of the American College of Veterinary Internal Medicine and the American College of Veterinary Nutrition. Dr. Fascetti is currently a Professor of Nutrition at UC Davis as well as a clinician in the Nutrition Support Service at the UC Davis Veterinary Medical Teaching Hospital. Her current research interests are trace mineral and amino acid metabolism in dogs and cats, improvement of pet foods and carnivore nutrition.


Photo: Lara Fossati, BVSc, MANCVSc

Lara Fossati, BVSc, MANZCVSc - Resident II

Dr. Lara Fossati earned her veterinary degree from the University of Sydney, Australia in 2006. She then worked in general practice for two years before completing a rotating internship at the Small Animal Specialist Hospital in Sydney. Post completion of the internship, Dr. Fossati became a member of the Australian and New Zealand College of Veterinary Scientists in Small Animal Medicine. She developed her knowledge and interest in companion animal nutrition while working for a pet food manufacturer before starting her residency program at UC Davis in 2016.

Photo: Rae Sires

Rae Sires, DVM - Resident I

Dr. Rae Sires graduated from Iowa State University College of Veterinary Medicine in 2015. She completed a one-year specialty internship focused on emergency and critical care at the Center for Veterinary Specialty and Emergency Care in Dallas. Since completing her internship, Dr. Sires has worked as an emergency clinician with BluePearl Veterinary Partners in Kansas City, Missouri. She began her residency at UC Davis in 2017.


Photo: Dawn Cauthen, BS

Dawn Cauthen, BS

Nutrition Service Technician
Dawn has been working with animals in a clinical setting for more than 30 years. She holds a Bachelor's degree in zoology from UC Davis. She has worked at UC Davis for more than 25 years, with 18 of those years spent at the Veterinary Medical Teaching Hospital. Dawn has been the Nutrition Support Service technician since June 2006.