Jason Dunn

Consultant gastroenterologist


Jason Dunn is a consultant gastroenterologist at Guy's and St Thomas' NHS Foundation Trust.

He is chair of the oesophago-gastric cancer group, South East London Cancer Alliance.

He is an associate professor at King's College London.

Education and training

  • Fellowship of the Royal College of Physicians, 2022
  • Fellowship of the British Society of Gastroenterology
  • Member of the American Gastroenterological Association
  • Member of the American Foregut Society
  • Member of the European Foregut Society
  • PhD, University College London, 2011
  • Bachelor of Medicine, Bachelor of Surgery (MBBS), King's College London, 2000

Research interests

  • Early diagnosis of oesophageal cancer, using specialist endoscopic techniques to assess Barrett's oesophagus with dysplasia
  • Collaborations with University College London and Imperial College London on National UK BarrX registry and new non-invasive biomarkers for Barrett's oesophagus (including the SPIT and NEED studies)
  • Inlet patch ablation trial in recruitment
  • Eosinophilic oesophagitis commercial studies in set up


  • Clinical fellowship, Cancer Research UK, 2017

Last updated: April 2024

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