Thomas Cullen, BVMS, DIPLOMATE ACVS. Bachelor of Veterinary Medicine and Surgery - University of Glasgow. Surgery Internship - Lexington KY. Rotating internship - University of Nottingham Veterinary School. Clinical fellowship - Oregon State University. Equine surgical residency - University of California, Davis. Originally from England. Outside of work, Dr. Cullen and his wife enjoy being outdoors, hiking, paddle boarding, skiing, and travelling.