Dr. Dennis Tarnow is currently Clinical Professor of Periodontology and Director of Implant Education at Columbia School of Dental Medicine and former Professor and Chairman of the Department of Periodontics and Implant Dentistry at New York University College of Dentistry. He has a certificate in Periodontics and Prosthodontics and is a Diplomat of the American Board of Periodontology.

Dr. Tarnow has a private multispecialty interdisciplinary practice in New York City, and has been honored with a wing named after him at New York University College of Dentistry. He has published over 250 articles on perio-prosthodontics and implant dentistry and has co-authored four textbooks including The Single Tooth Implant. Dr. Tarnow has lectured extensively in the United States and internationally in over forty-five countries.