Dr. Marx graduated from the Colorado State University College of Veterinary Medicine in 1995. He was a partner in a mixed animal practice then started Advance Equine Dentistry in 2000, providing routine and advanced equine dental services until his retirement in 2022. Dr. Marx lectures and conducts equine dentistry seminars for veterinarians and veterinary students internationally. He served on the AAEP Dentistry Committee and participated in the Peter Emily International Veterinary Dental Foundation missions. He enjoys the outdoor activities provided by living in the Michigan Up-per Peninsula with his dogs Bernie and Clyde, and Chuck.