Dr. Haas is a certified specialist in endodontics and is extensively involved in continuing education (webinars, lectures and workshops) to general dentists and specialists.  He is on staff at the Hospital for Sick Children Department of Dentistry and maintains a full time private practice limited to Endodontics and Microsurgery in Toronto.  Dr. Haas is a regular contributor to dental magazines and websites and has lectured internationally on nearly all aspects of modern endodontics.  He has no financial or proprietary interest in any product or company.