Trained in OMFS in the UK, moved to University of Maryland. USA and was Chairman of OMFS for 20 years. Specialized in Head/Neck Oncology and Salivary Gland Surgery. Published 3 books, 68 chapters and approximately 150 peer-reviewed papers. Keynote speaker at 64 National and 80 international meetings. Examiner for ICOMS, ABOMS, Royal College of Surgeons Edinburgh. Currently on 6 Editorial Boards and Oncology Section Editor for IJOMS.