Dr. Fletcher received his undergraduate degree in psychology from the University of Buffalo and his degree in dentistry from the University of Maryland. After a two-year general practice residency at the Veterans Administration hospital in Portland, Oregon, he joined the Veterans Administration Medical Center, in New York, where he trained for two years and received his specialty certificate in periodontics.
A former Associate Clinical Professor in postgraduate periodontics in the department of Periodontics and Implant Dentistry at the New York University College of Dentistry for more then 30 years, Dr. Fletcher is now an Associate Clinical Professor in the Department of Periodontics at the Columbia University College of Dental Medicine, where he teaches post-graduate periodontics and implant dentistry.
He has also been on the faculties of the University of Oregon and the New York Hospital Medical Center. He has co-authored over two dozen scientific papers and has produced and moderated numerous oral healthcare and continuing-education videos and tapes for the Academy of General Dentistry, New York University, and Health Guru. He has also lectured extensively on periodontal prosthetics and implant dentistry, both nationally and internationally.