Dr. Justin Kolnickattended dental school at the University of the Wit-water-srand in Johannesburg, South Africa. After graduating cum laude in 1977, he was awarded the University Scholarship for Overseas Postgraduate Study.
In 1982, he graduated from the postdoctoral endodontic program at Columbia University.
Dr Kolnick entered into private practice limited to endodontics in 1982 with his teacher and mentor, Dr. Marvin Firdman in White Plains, NY. There he helped expand the practice to Mt Kisco, NY and develop the first microendodontic practice in Westchester County.
Dr Kolnick has been committed to endodontic education, first as an Associate Clinical Professor in Endodontics at Columbia and then as an Attending at Westchester Medical Center and Associate Clinical Professor in Endodontics at New York Medical College. He has lectured extensively on the local, national and international level and has published numerous articles on endodontics. In 2006, he formed the Advanced Endodontic Study Club of NY to foster the study, advancement and interchange of knowledge, for general dentists, in the art and science of endodontics.