Dr. Kirtley has accredited status in the American Academy of Cosmetic Dentistry and in the British Academy of Cosmetic Dentistry. He teaches at New York University as a visiting lecturer in aesthetics and is a senior clinical instructor for the Aesthetic Advantage Hands on Continuum in New York, London (UK), and Palm Beach, Fla. He is also currently the newly named Director of Aesthetic Education at the Dental Future Center in Philadelphia. He lectures internationally on smile design, aesthetics, marketing the aesthetically driven practice, and complex rehabilitation cases.