Chairperson, Department of Surgery, CUHK;
Honorary Chief of Service, Department of Surgery, Prince of Wales Hospital
Research interest: nasopharyngeal cancer, cochlear implantation, laser application in surgical ENT practice

Since founding the Division of Otorhinolaryngology in 1985, Professor van Hasselt has devoted himself to research in the field, integrating academic and clinical experiences, while promoting academic exchange and leading the division into the international arena. Professor van Hasselt is the first in the world to use the "Hong Kong Flap" to remove cholesteatoma. In combating nasopharyngeal cancer, he leads pioneering research with his team and successfully applies photodynamic therapy to eradicate tumors without damaging healthy cells. He also specializes in Functional Endoscopic Sinus Surgery (FESS).

Professor van Hasselt is the Chairperson of The 5th Asia Pacific Symposium on Cochlear Implant and Related Sciences 2005.

Chief, Department of Otorhinolaryngology, Head and Neck Surgery, CUHK;
Professor, Department of Otorhinolaryngology, Head and Neck Surgery, CUHK;
Cluster Coordinator(ENT), New Territories East Cluster Hospitals;
Research interest: otology, otoneurology, communication disorders, epidemiology and ENT clinical trials, cochlear implant, nasopharyngeal cancer, ENT laser application

Formally serving as Chief of Service of the Division of Otorhinolaryngology in Kowloon East Cluster Hospitals and Consultant of United Christian Hospital, Professor Tong has much clinical and research experience with more than 150 of his works being published. He also performed the first Auditory Brainstem Implant in Asia. In addition, he takes an active role in training doctors in Mainland China to perform cochlear implant surgery and visits many cities and provinces in China to operate on complicated cochlear implant cases. Professor Tong is also the Secretary of The 5th Asia Pacific Symposium on Cochlear Implant and Related Sciences 2005.

Honorary Clinical Assistant Professor, Department of Surgery, CUHK
Research interest: Otology, neurotology and skull base surgery

Dr. Henry Lam is a senior surgeon of the Cochlea Implant Team at Prince of Wales Hospital, The Chinese University of Hong Kong. His special interests are in clinical research of Otology, neurotology and skull base surgery.

Honorary Clinical Assistant Professor, Department of Surgery, CUHK
Research interest: Otology, Cochlear Implantation and Auditory Rehabilitation

Dr John Sung is a specialist surgeon of the Cochlear Implant Team at the Prince of Wales Hospital, The Chinese University of Hong Kong. His special research interests are - otitis media with effusion (OME), Cochlear Implantation and Auditory Rehabilitation.