Faculty / Staff
Steven Hollingsworth, DVM, DACVO
Associate Professor of Clinical Veterinary Ophthalmology, Chief of Service
Dr. Hollingsworth received both his Bachelor of Science in Biology and his Doctor of Veterinary Medicine degrees from Purdue University. He subsequently completed a residency in Comparative Ophthalmology at the University of California-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 currently the chief of the Ophthalmology Service at the Veterinary Medical Teaching Hospital and President of the American College of Veterinary Ophthalmologists.
David J. Maggs, BVSc (hons), DACVO
Professor of Veterinary Ophthalmology
Dr. Maggs received his veterinary degree from the University of Melbourne, Australia in 1988 and then spent 5 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 the University of California, Davis in 2000. He is author of Slatter’s Fundamentals of Veterinary Ophthalmology and President Elect of the International Society of Veterinary Ophthalmology. Dr. Maggs’ special interests include ocular surface disease, particularly feline herpesvirus infection and tear film disorders.
Kathryn Good, DVM, DACVO
Assistant Clinical Professor of Veterinary Ophthalmology
Dr. Good received her BS in Biology from the University of California, Los Angeles in 1994 and her DVM from the University of California-Davis in 1998. She then went on to complete a one-year internship in small animal medicine and surgery at the University of Florida. She returned to UC Davis in 1999 and completed a residency in Comparative Ophthalmology in 2002. Following her residency Dr. Good was an associate in a private ophthalmology practice for 6 years before returning as a clinical faculty member at UC Davis. Dr. Good has been a member of the American College of Veterinary Ophthalmologists Credentials Committee and a reviewer for professional journals including Veterinary Ophthalmology and Veterinary Medicine. Professional interests include all aspects of ophthalmic surgery and ocular manifestations of systemic disease.
Mary Lassaline, DVM, PhD, DACVO
Dr. Lassaline received her DVM from Michigan State University, and completed an equine internship at Rood & Riddle Equine Hospital, Lexington, KY, 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. She and her husband are blessed with twin daughters who joined their family through adoption from Russia.
Christopher Reilly, DVM, MAS, DACVP
Assistant Professor of Clinical Anatomic Pathology
Dr. Reilly received his DVM from Tufts University in 2002, then completed a small animal internship at the Animal Medical Center in New York. Following a fellowship in comparative ocular pathology with Dr. Dick Dubielzig at the University of Wisconsin-Madison and anatomic pathology training at UC Davis, he worked in corporate diagnostics for 1 year before returning to UC Davis in 2008. He runs a mail-in ocular pathology service, conducts glaucoma research at the UC Medical and Veterinary Schools, and trains residents and veterinary students in pathology. When not immersed in ocular pathology, Dr. Reilly enjoys playing with his dogs.
Christopher Murphy, DVM, PhD, DACVO
Professor of Veterinary Ophthalmology
Dr. 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. Dr. Murphy is investigating: 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
Dr. Thomasy received her B.S. in Biology from The Ohio State University in 2000 and her DVM from the University of California - Davis in 2005. She then completed a PhD in pharmacology and toxicology from UC Davis in 2006. Following a 1-year small animal rotating internship at North Carolina State University, she completed a comparative ophthalmology residency at UC Davis in 2010. Dr. Thomasy is a Diplomate of the American College of Veterinary Ophthalmology and served as a reviewer for several journals including Investigative Ophthalmology and Vision Science and Veterinary Ophthalmology. She is currently a Vision Researcher in the Murphy-Russell Laboratory and her research interests include corneal wound healing, glaucoma, ocular pharmacology, and antiviral therapy for the management of feline herpesvirus.
Ann R. Strom, DVM , MS
Dr. Strom received her veterinary degree from the University of Copenhagen, Denmark in 2010 and completed her Master’s Thesis on canine glaucoma at the University of Zurich, Switzerland the same year. She then went on to complete a one-year internship in small animal medicine and surgery at the University of Saskatchewan, Canada. In 2014, Dr. Strom completed a three-year residency in Comparative Ophthalmology at UC Davis. Her professional interests include all aspects of ophthalmic disease and surgery, advanced diagnostic imaging and comparative vision research. Dr. Strom is currently a staff veterinarian at UC Davis on a temporary one-year assignment.
Tomo Wiggans, DVM
Dr. Wiggans graduated from the University of California, Davis in 2010. He completed a rotating internship in small animal medicine and surgery at Colorado State University followed by a research fellowship in ophthalmology and shelter medicine. Dr. Wiggans began his ophthalmology residency in August 2012. His current interests include ocular manifestations of systemic disease, ocular neoplasia, and infectious disease. Outside of work, Dr. Wiggans enjoys hiking, backpacking, photography, and artisan bread- and cheese-making. At home, he has two cats (Oliver and Kaya), two dogs (Gemma and Izzy), and three chickens.
Lionel Sebbag, Dr. Med Vet
Dr. Sebbag graduated from the National Veterinary College of Toulouse (France) in 2011. He then went on to complete an internship in small animal medicine and surgery at Kansas State University. He is currently doing research on antiviral use in cats infected with herpesvirus, as well as evaluation of tear quality in cats. Other interests include corneal disease and microsurgery. In his free time, Dr. Sebbag enjoys playing sports (tennis, basketball, soccer), listening to music and playing the guitar.
Brian Leonard, DVM, PhD
Dr. Leonard received his DVM/PhD from the University of California, 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, advanced diagnostic imaging, and microsurgery. In his free time, he enjoys hiking, camping and playing guitar. At home, he and his wife take care of their two dogs, two cats and three turtles.
Sydney Cartiff, DVM
Dr. Cartiff received her 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 the University of California, Davis in 2014. Her professional interests include equine ophthalmology, ocular manifestations of systemic disease, and corneal disease. In her free time, Dr. Cartiff enjoys hiking, cooking, and snow skiing. At home, she has one dog, Colonel.
Heather Madrid, RVT
Heather attended Consumnes River College, graduating in 2009 with an Associate in Science degree. She became a Registered Veterinary Technician in August of 2009. Heather worked in a mixed animal private practice from June 2007 until she became a staff member at the UC Davis Veterinary Ophthalmology Service in March of 2010. In her free time Heather enjoys camping, wakeboarding and spending time with her husband, son and pets.
Sheri Pendergraft, RVT
Sheri attended Consumnes River College and graduated in 2009 with an Associates in Science. She became a Registered Veterinary Technician in the summer of 2009 and began working at UC Davis in October of 2009 in the exotics department. She worked there until April 2014 then transferred to the Ophthalmology service. In her free time she likes to snowboard, wakeboard and spend time outdoors with family, friends and her Cane Corso Hailey.
Ophthalmology Service Coordinator
Veterinary Medicine has been a big part of Pam’s life for almost 25 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 spends her time focused on her human and pet families.