Education:- B.Sc., Wilkes University, U.S.A.- M.Sc., Cornell University, U.S.A.- D.M.D., University of Pennsylvania School of Dental Medicine, U.S.A.- Certificate in General Practice Residency, University of Pennsylvania School of Dental MedicineHonors:- Fellow, Academy of General Dentistry (F.A.G.D.)- Fellow, Academy of Dentistry International (F.A.D.I.)- Fellow, International College of Dentists (F.I.C.D.)- Fellow, American College of Dentists (F.A.C.D.)- Fellow, International Academy for Dental Facial Esthetics (F.I.A.D.F.E.)- Fellow, Pierre Fauchard Academy (F.P.F.A.)Positions:- Managing Director, Dr. William Cheung & Associates, Hong Kong- Honorary Professor, West China School of Stomatology, Sichuan University, China- Adjunct Associate Professor, University of Pennsylvania School of Dental Medicine, U.S.A.- Honorary Associate Professor, University of Hong Kong Faculty of Dentistry, Hong Kong- Trustee, University of Pennsylvania, U.S.A. (2007-2016)- Emeritus Trustee, University of Pennsylvania, U.S.A. - Chair, Board of Advisors, University of Pennsylvania School of Dental Medicine, U.S.A. (2009-2021)- Emeritus member, Board of Advisors, University of Pennsylvania School of Dental Medicine, U.S.A. - Chairman, Education Committee, FDI World Dental Federation - International Editorial Board, Journal of the American Dental Association (JADA)- Editorial Advisory Board, Dental Asia