He is a world leader in the field of antigen presentation and T cell biology and has incorporated discoveries in the areas of antigen processing, T cell regulation and immunodominance into the development of new cancer immunotherapies and is the recipient of a Royal Society/Wolfson Research Merit Award. He is a Fellow of the Royal Society for Biology and Fellow of the Academy of Medical Sciences; founding Editor-in-Chief of the journal Immunotherapy Advances published by the British Society for Immunology; and chairs the Cancer Research UK Cancer Immunology expert review committee.