Up until the end of 2010, Nick was Head of the Mathematics Department (the Mathematical Institute) at the University of Oxford and a tutorial fellow of Wadham College. Thereafter he served briefly as Acting Head of the Mathematical, Physical and Life Sciences Division at Oxford, and then as Deputy Head. He is now a Senior Research Fellow of Wadham College.
He did his undergraduate degree at Oxford, and returned in 1977 after completing a PhD in the Mathematics Department at King's College, London, under the supervision of F A E Pirani, and spending a period as a postdoc at Princeton, working for J A Wheeler. He was Treasurer of the London Mathematical Society until 2009.