Dr. Daniel W.K. Kao is the CEO of Washington Dental Group and also a clinical assistant professor of periodontics at University of Pennsylvania School of Dental Medicine. Dr. Kao is also a Diplomate of the American Board of Periodontology. His research interests include the clinical applications of growth factors (BMP, PDGFs), the relationship of systemic disease and periodontal disease, and dental implant studies. Dr. Kao lectures at dentistry conferences both nationally and internationally.