Mr John A Lynn is a Consultant Endocrine Surgeon for the past 20 years he has provided a comprehensive service in the surgical management of thyroid, parathyroid, adrenal and pancreatic endocrine disease.

For 27 years he was also the Head of Endocrine Surgery at the Royal Postgraduate Medical School, now the Imperial College of Science, Technology and Medicine, Hammersmith Hospitals NHS Trust in London. He qualified from Kings College Hospital, London in 1964 and obtained his Fellowship of the Royal College of Surgeons in 1971.

He has had extensive surgical training as a Senior Registrar at the Westminster Hospital, London and spent 18 months with Dr Richard Egdahl at the Boston University Medical Centre. Mr Lynn operates on approximately 200 endocrine patients a year.

He has published extensively and has worked for 20 years with the Endocrine Pathologist Dr Paul Lewis and a team of Endocrinologists, Radiologists and Anaesthetists who have a special interest in endocrine tumours. For the last 20 years Mr Lynn has trained over 20 surgeons who have developed either a part or full-time interest in endocrine surgery. Mr Lynn was a founder member of the British Endocrine Surgical Society, now the British Association of Endocrine &Thyroid Surgeons.