Dr. John Hubbell was raised in Lima, OH, in a pet and horse owning family. After receiving his Doctorate of Veterinary Medicine from The Ohio State University in 1977, he completed an equine surgery internship at UC Davis then returned to The Ohio State University as a veterinary anesthesiology resident. Dr. Hubbell joined the faculty at The Ohio State University in 1982, where he served until 2015.

Dr. John Hubbell has been a Diplomate of the American College of Veterinary Anesthesia and Analgesia since 1982. Dr. Hubbell is an author of numerous articles on veterinary anesthesia and coauthor of two textbooks: Handbook of Veterinary Anesthesia and Equine Anesthesia Monitoring and Emergency Therapy and is a frequent continuing education presenter on topics related to equine anesthesia. Dr. Hubbell was honored in 2020 when he was asked by the American Association of Equine Practitioners to deliver the Milne Lecture at the Annual Scientific Meeting of the organization. Dr. Hubbell and his wife, Shelley, enjoy the sport of combined driving and reside in Bourbon County with two horses, two ponies, four cats and a goat. They have two grown children and three grandchildren. His daughter, Meghan, is an athletic trainer and physical therapy assistant who coaches volleyball for fun. His son, Jim, is a mechanical engineer who specializes in project management.