Dr. Goodlin is known internationally for his excellence in cosmetic dentistry and his leadership in the field. He is accredited with the American Academy of Cosmetic Dentistry, meaning that he has demonstrated artistry and skill in cosmetic dentistry at the highest level and is president of that organization. He is also a former president of the Toronto Academy of Cosmetic Dentistry and editor of the Canadian Journal of Cosmetic Dentistry, as well as co-founder of the Canadian Academy of Cosmetic Dentistry. He teaches cosmetic dentistry at the University of Toronto Faculty of Dentistry.