Faculty / Staff
Kathryn Good, DVM, DACVO - Chief of Service
Health Sciences Assistant Professor of Clinical Veterinary Ophthalmology
Dr. Kathryn Good received her BS in Biology from UCLA in 1994 and her DVM from UC Davis in 1998. She completed a small animal internship at the University of Florida before returning to UC Davis in 1999 for her comparative ophthalmology residency. Dr. Good then spent six years in private ophthalmology practice before returning to UC Davis. Dr. Good has served on the American College of Veterinary Ophthalmologists’ Credentials Committee and as a reviewer for many professional journals. Her professional interests include ophthalmic surgery and ocular manifestations of systemic disease.
Steven Hollingsworth, DVM, DACVO
Professor of Clinical Veterinary Ophthalmology
Dr. Steven Hollingsworth received both his BS in Biology and DVM degrees from Purdue University. He subsequently completed a residency in comparative ophthalmology at UC Davis, where he has been on the faculty since 1994. Dr. Hollingsworth is the author of numerous textbook chapters as well as research papers. He is the past president of the American College of Veterinary Ophthalmologists.
Mary Lassaline, DVM, PhD, DACVO
Associate Professor of Clinical Ophthalmology
Dr. Mary Lassaline received her DVM from Michigan State University. She completed an equine internship at Rood & Riddle Equine Hospital in Lexington, Kentucky and a veterinary ophthalmology residency at the University of Florida. Dr. Lassaline was in private ophthalmology practice before starting the Equine Ophthalmology Service at the University of Pennsylvania's New Bolton Center. She joined UC Davis in 2014. Dr. Lassaline’s interests include equine corneal disease and wound healing.
David J. Maggs, BVSc (hons), DACVO
Professor of Veterinary Ophthalmology
Dr. David Maggs received his veterinary degree from the University of Melbourne, Australia in 1988 and then spent five years in mixed animal practices there and throughout Great Britain. He completed small animal and equine internships at Colorado State University and a research fellowship and comparative ophthalmology residency at the University of Missouri before joining UC Davis in 2000. He is an author of Slatter’s Fundamentals of Veterinary Ophthalmology and president of the International Society of Veterinary Ophthalmology. Dr. Maggs’ special interests include ocular surface disease, particularly feline herpesvirus infection and tear film disorders.
Christopher Murphy, DVM, PhD, DACVO
Professor of Veterinary Ophthalmology
Dr. Christopher Murphy has appointments in the School of Medicine's Department of Ophthalmology and Vision Sciences, and the School of Veterinary Medicine’s Department of Surgical and Radiological Sciences. In the clinic, Dr. Murphy brings expertise in exotic animal ophthalmology and medical and surgical management of corneal disease. His research interests include 1) modulation of cell behaviors by biophysical cues, with relevance to the design of improved cell culture ware, surgical implants and understanding disease processes; 2) engineering-inspired approaches to "engineer" a wound bed to promote healing; 3) optical performance in animals that evolved in response to challenging environmental conditions.
Sara M. Thomasy, DVM, PhD, DACVO
Associate Professor of Veterinary Ophthalmology
Dr. Sara Thomasy received her BS in Biology from The Ohio State University in 2000 and her DVM from UC Davis in 2005. She completed a PhD in pharmacology and toxicology at UC Davis in 2006, a small animal internship at North Carolina State University, and her ophthalmology residency at UC Davis in 2010. Dr. Thomasy has served as a reviewer for several journals including Investigative Ophthalmology and Vision Science, Molecular Vision, and Veterinary Ophthalmology. She co-runs a large, interdisciplinary, vision science laboratory with Drs. Christopher Murphy and Paul Russell. Her interests include corneal wound healing, glaucoma, ocular pharmacology, and antiviral therapy for feline herpesvirus.
Ann Cooper, VMD
Dr. Ann Cooper received her veterinary degree from the University of Pennsylvania in 2011. She then completed a rotating internship in small animal medicine and surgery at Red Bank Veterinary Hospital in New Jersey, followed by three years of research in the field of retinal stem cell transplantation. Dr. Cooper began her comparative ophthalmology residency in 2015. Her professional interests include inherited and acquired retinal disease, ocular surface disease, and ocular manifestations of systemic disease. In her free time she enjoys playing tennis, and spending time with her friends and family.
Sydney Edwards, DVM, MS
Dr. Sydney Edwards received her MS in nutrition from North Carolina State University in 2009, then went on to receive a veterinary degree from North Carolina State University in 2013. She completed a rotating internship in small animal medicine and surgery at The Ohio State University prior to beginning her residency in comparative ophthalmology at UC Davis in 2014. Her professional interests include equine ophthalmology, ocular manifestations of systemic disease, and corneal disease. In her free time, Dr. Edwards enjoys hiking, cooking, and skiing. At home, she has one dog, Gunnery Sergeant Bud Ogee.
Kelly Knickelbein, VMD
Dr. Kelly Knickelbein received her veterinary degree from the University of Pennsylvania in 2015. She completed a rotating internship in equine medicine and surgery at Rhinebeck Equine in New York prior to beginning her internship in comparative ophthalmology at UC Davis in 2016. Her professional interests include corneal disease and all aspects of equine ophthalmology. In her free time, Dr. Knickelbein enjoys the outdoors and spending time with her dog.
Brian Leonard, DVM, PhD
Dr. Brian Leonard received his DVM/PhD from UC Davis in 2012. His PhD focused on the expression, activity and genetic differences of antimicrobial peptides in the dog. He then completed an internship in small animal medicine and surgery at the University of Wisconsin-Madison prior to beginning his comparative ophthalmology residency at UC Davis in 2013. Dr. Leonard’s professional interests include ocular surface disease, ocular immunology and microsurgery. In his free time, he enjoys hiking, camping and playing guitar. At home, he, his wife and son take care of their two dogs, one cats and one turtle.
Bret Moore, DVM, PhD
Dr. Bret Moore received his DVM and PhD from Purdue University in 2015. His PhD focused on comparative vision and visual ecology in vertebrates, studying how visual differences are related to an animal’s behavior and ecology. He then completed an internship in small animal medicine and surgery at the Veterinary Specialty Hospital of San Diego prior to beginning his residency in comparative ophthalmology at UC Davis in 2016. His professional interests include exotic animal ophthalmology, visual acuity and color vision, microsurgery, ocular trauma, visual ecology, and the impact that disease and current methods of treatment have on vision. In his free time he enjoys hiking/mountaineering, skydiving, free diving, traveling unfettered of plans, cooking the foods of the world, and playing the guitar.
Heather Madrid, RVT
Heather graduated from Consumnes River College in 2009 with an Associate in Science degree. She became a Registered Veterinary Technician in August 2009. Heather worked in a mixed animal private practice from June 2007 until she became a staff member at UC Davis March 2010. In her free time Heather enjoys camping, wakeboarding and spending time with her husband, two sons and pets.
Sheri Pendergraft, RVT
Sheri attended Consumnes River College and graduated in 2009 with an Associates in Science degree. She became a Registered Veterinary Technician in the summer of 2009, and began working at UC Davis in October 2009 in the Companion Exotic Animal Medicine and Surgery Service. Sheri then transferred to the Ophthalmology Service in April 2014. In her free time, she likes to snowboard, wakeboard and spend time outdoors with family, friends and her Cane Corsos Hailey and Jax.
Veterinary medicine has been a big part of Pam’s life for more than 20 years. She started as hospital manager, veterinary assistant and receptionist in a small veterinary hospital in Santa Maria. She then worked as head receptionist for one of Sacramento Animal Medical Group’s hospitals, and Mueller Pet Medical Center in Sacramento. Pam joined UC Davis in 2011 where she coordinates appointments for the Ophthalmology, Cardiology and Dermatology Services. When not ensuring that our clients and patients have the best possible experience at the VMTH, Pam enjoys photography, traveling and spending time with her family.