In addition to his specialty referral practice, he founded Mississippi Valley Veterinary Dental Educational Center in Memphis, providing continuing education lectures and wet labs for dvms and technicians. He has lectures national and internationally on dental-related topics.
Dr. Greenfield is currently the President of the American Veterinary Dental College (AVDC) and also serves on the Board of Directors of the Foundation for Veterinary Dentistry, which is the educational and fundraising branch of veterinary dentistry. In 2016, he was the recipient of the prestigious AVDC Peter Emily Service Award.
In his spare time, Dr. Greenfield can be found playing golf or spending time with his wonderful wife and three children. He also follows LSU football and University of North Carolina basketball passionately.