Degree (Hons) in Biological Sciences; DPhil, Nuffield Department of Surgery, focussing on immune response to organ allografts; five years with Department of Pathology, University of Cambridge. With University of Oxford: currently, Lecturer, Sir William Dunn School of Pathology and Co-Director, Oxford Stem Cell Institute; has applied his immunological training to emerging field of cell replacement therapy and regenerative medicine to investigate immune response to tissues differentiated from embryonic stem cells, the rejection of which threatens to undermine success of regenerative medicine in the future; has developed strategies which may one day promote indefinite survival of stem cell-derived grafts and is currently collaborating with biotechnology sector to bring such technologies to clinic.