John Krebs, Baron Krebs

The son of Hans Adolf Krebs, the German biochemist who described the uptake and release of energy in cells (the Krebs cycle), John Krebs was educated at the City of Oxford High School, and Pembroke College, Oxford where he obtained a BA degree in 1966, upgraded to an MA degree in 1970, and received a DPhil degree in 1970.[1][2] He then held posts at the University of British Columbia and the University College of North Wales, before returning to Oxford as a University Lecturer in Zoology, with a fellowship at Wolfson College, Oxford, then Pembroke.[6] He was elected a Fellow of the Royal Society in 1984.[1] and, from 1988 to 2005, held a Royal Society Research Professorship in the Department of Zoology, University of Oxford, where he was based at Pembroke College. He was the Chief Executive of the Natural Environment Research Council 1994–1999 and in 1999 was knighted.[7] From 2000–2005 he was the first Chairman of the British Food Standards Agency. On 15 February 2007, the House of Lords Appointments Commission announced that he was to become a non-party political (cross-bench) life peer.[8] The peerage was gazetted on 28 March 2007 as Baron Krebs, of Wytham in the County of Oxfordshire.[9] In 2007 Lord Krebs accepted the role of Principal of Jesus College, Oxford, a post he held until 2015.[5]

Krebs's career has been both productive and influential.[10] His speciality is ornithology. His publications include more than 130 refereed papers, 5 books, and 130 book chapters, reviews, or popular pieces. They have introduced new methods to the science of ornithology, including the use of optimality models to predict foraging behaviour, and, more recently, techniques from neurobiology and experimental psychology to assess the mental capacities of birds and to relate these to particular regions of the brain.

During his chairmanship of the Food Standards Agency, Krebs criticised the organic food movement, saying that people buying such food were "not getting value for money, in my opinion and in the opinion of the Food Standards Agency, if they think they're buying food with extra nutritional quality or extra safety. We don't have the evidence to support those claims."[11]

Having led the Randomised Badger Culling Trials, Krebs became one of the UK's leading experts on bovine tuberculosis. The findings of the RBCT led him to oppose further badger culling in 2012 and he contributed to a paper on the subject written by centre-right think tank The Bow Group.[12]

Krebs was a member of the Nuffield Council on Bioethics 2006–2007 and chaired the Working Party on Public Health,[13] 2006–07. He took up the chairmanship of the National Network of Science Learning Centres[14] in 2007.[15] He was a member of the independent, statutory body the Committee on Climate Change, and Chairman of its Adaptation Sub-Committee, from 2009 to 2017.

For his scientific research and leadership he has been awarded honorary doctorates by 16 universities.[5]

In 2005 he gave the Royal Institution Christmas Lectures on The Truth About Food.

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