Dr. Granger is a graduate of Howard University College of Dentistry class of 1987 and the post Graduate Endodontic program at Columbia University class of 1993. In 2007 he completed the Implant Maxi Course at the Medical College of Georgia.
Dr. Granger is very involved in the community and the dental society. He served as a City Councilman for the City of Glen Cove, N.Y. from 1994 to 2005 and presently serves on the Board of Trustees for Elizabethtown College and the NorthWell Hospital System. Dr Granger was President of the Nassau County Dental Society in 2012. He is also a Fellow of the American College of Dentists, the Academy of General Dentistry and the Pierre Fauchard Dental Honor Society. He is an active member of the American Dental Association, the New York State and Nassau County Dental Societies the National Dental Association and the American Association of Endodontists.