Graham was appointed to the board on 1 January 2019 and has previously chaired a number of successful businesses, including LGC, Eversholt Rail, SLR Consulting and Xendo. Prior to pursuing a plural career, Graham had an extensive international executive career, lastly as Chief Executive of QinetiQ plc from 2005 to 2009. He is a long-term trustee of STEMNET and a Senior Adviser to The Chertoff Group. Graham is a graduate of Cambridge University, a Fellow of the Institute of Chartered Accountants, and a Fellow of the Royal Aeronautical Society.