• Graduated University of Singapore in 1982
• Attended Naval Diving Unit Republic of Singapore
• Attended National Service from 1983 to 1984 (treating ENT diving related problems)
• Became a Singapore Ministry of Health ENT Trainee in 1985
• Trained at Singapore General Hospital (largest hospital in Singapore) from 1985-1989
• Completed ENT Traineeship in 1989, obtained ENT Surgical Fellowship from Glasgow
• 1989 to 1993 Managed skull base conditions along with neurologists and neurosurgeons at Tan Tock Seng Hospital (2nd largest hospital in Singapore), and sinus & nasal problems with the chest physicians & rheumatologists
• Awarded the ENT Rhinology (nose & sinus conditions) Ministry of Health S’pore
• Training Fellowship in London in 1993. Subspecialized in endoscopic sinus surgery & surgery of the anterior skull base.

Studied under renowned skull base surgeon, Dr. Anthony Chessman, at Royal National ENT Institute, London & renowned endoscopic sinus surgeon, Dr Ian Mackay, at the Charing Cross & Brompton Hospitals, in London. Trained in open approaches & minimally invasive techniques of anterior skull base surgery & in functional and aesthetic nose surgery.

Appointed Head of Tan Tock Seng Hospital ENT Department from 1995 to 1998

Developed successful programs in Rhinology, Laryngology & Audiology, for the hospital.

Opened private practice in 1998 at Mount Elizabeth Medical Center & Hospital (largest private practice medical facility in Singapore).

Appointed Visiting Consultant ENT Services, Alexander Hospital w.e.f. 15th July 2006.

Painless Nose & Throat Day Surgery. Read more >> Questions on Sinusitis. Read more >> Balloon Sinuplasty: New device treatment for Sinusitis. Read more >> Pediatric Sinusitis: What to consider before a sinus surgery? Read more >> Allergic Rhinitis: Its impact on Sinonasal problems. Read more >> 3 Mount Elizabeth #15-10, Mount Elizabeth Medical Center Singapore 228510 Tel: (65) 6735 9654 Fax: (65) 6735 8514 Email: Website : www.sinonasal.com website maintained by activamedia.com.sg. All rights reserved. Language / Bahasa English Bahasa Indonesia Beth Anne Maren, PhD Speech Pathology & Audiology Chief Executive Officer & Director Dr. A. B. John MBBS (Sin), FRCS (Glas), FAMS (Sin) Fellow American Academy of Otolaryngology, Head & Neck Surgery.