Gillian J. McLellan, BVMS, PhD, DECVO, DACVO,is an associate professor of comparative ophthalmology at University of Wisconsin–Madison. She earned her veterinary degree from Glasgow University and spent a few years in private practice before completing a PhD at the University of London and serving as a lecturer in ophthalmology at the Royal Veterinary College. She then served as a lecturer at University of California, Davis, and an assistant professor at Iowa State University for several years. Her research focuses on glaucoma in humans and animals.