I am no longer carrying out original research. I am interested in the relationship between science and policy, and have been particularly involved in policy related to the control of bovine tuberculosis.
Between 2005 and 2015 I was the Principal of Jesus College, Oxford University. From 1988 to 2005 I held a Royal Society Research Professorship in the Edward Grey Institute. I served as the first Chairman of the UK Food Standards Agency from 2000-2005 and as Chief Executive of the Natural Environment Research Council from 1994-1999. Earlier in my career I was a Demonstrator in Ornithology at the EGI, Assistant Professor of Zoology at the University of British Columbia, Lecturer in Zoology at the University College of North Wales, Bangor, and Lecturer in Zoology in the EGI.
I am a Fellow of the Royal Society, a Fellow of the Medical Academy of Sciences, a member of Academia Europaea and of the Max Planck Society, an Honorary Foreign Member of the American Academy of Arts and Sciences, a Foreign Member of the American Philosophical Society, and Foreign Honorary Member of the US National Academy of Sciences, Member of the German National Academy of Sciences (Leopoldina). I served as Chairman of the House of Lords Science and Technology Select Committee from 2010-2014 and as Chairman of the UK Science and Technology Honours Committee from 2008-2014. I was President of the British Science Association in 2012. Between 2009 and 2017, I was a member of the UK Climate Change Committee and chaired its Adaptation Sub-Committee.
I am also a Trustee of the Nuffield Foundation and a member of the House of Lords Energy and Environment Select Committee. I also carry out advisory work for the Wellcome Trust, Marks & Spencer plc and Ajinimoto inc. I co-founded and act as Chairman of a University Spinout Company, Oxford Risk Ltd.