Stephen Till

Consultant allergist and professor of allergy


Stephen Till has been a consultant allergist at Guy's and St Thomas' NHS Foundation Trust since 2011. He is also a reader in allergy at King's College London.

In addition to leading the adult food allergy service, he also provides regular allergy input to the adult eczema clinic.

Education and training

  • Fellow of the Royal College of Physicians, 2015
  • Certificate of completion training (CCT) in allergy, 2011
  • Membership of the Royal College of Physicians UK, 2005
  • Medicine and surgery (MBBS) distinction, University College London, 2002 
  • Allergy and Immunology PhD, Imperial College London, 1997
  • Biochemistry BA, University of Oxford, 1992

Research interests

  • Chief investigator, PollenLITE clinical trial (pollen low dose intradermal therapy evaluation)
  • Mechanisms of severe food allergy in adults
  • Psychological aspects of food intolerance
  • Immunopathogenic mechanisms in nasal polyposis


  • World Allergy Organisation Henning Lowenstein Award for research in allergy, 2009
  • Ernest Foulkes Prize for medical research, 2004

Last updated: September 2022

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