Dr John Leyden

Dr John Leyden is the co-founder NeuroEndocrine Cancer Australia and a specialist anaesthetist with clinical interests in cardiothoracic surgery, bariatric surgery and neuroendocrine cancers currently in practice at Royal North Shore Hospital, Sydney and in private practice.

After obtaining his medical degree at Monash University he went on to specialise in anaesthesia, completing a cardiothoracic anaesthesia fellowship at the University of Toronto (Canada) and a Masters of Public Health and Masters of Medical Management at the University of New South Wales.

Dr Leyden has numerous peer-reviewed publications and abstracts and has been an investigator in successful NHMRC grants. He is currently the Chair of the Australian and New Zealand College of Anaesthetists (ANZCA) New South Wales (NSW) Regional Committee; Committee Member for ANZCA NSW Continuing Medical Education Committee; Management Committee member (Treasurer) of Health Consumers NSW; a director at Northern Sydney Anaesthesia Research Institute (NSARI) and the past-President of the International Neuroendocrine Cancer Alliance (INCA).

Dr Leyden is a passionate advocate for improving medical research into neuroendocrine cancers, particularly research that engages Neuroendocrine Cancer patients (health consumers) in every step of the research process – from design to publication.

Walk, run, or ride this March4NETs!

For its third year, March4NETs will run throughout March 2026.

Get involved and support the 31,000 Australians living with neuroendocrine cancer.