Graham was formally Chief Executive of Rolls-Royce and Bentley Motor cars Limited, a position he resigned from over a matter of principle regarding splitting the two brands between VW Group and BMW. Graham also held senior roles as MD of Leyland South Africa Contract Assembly Operations. MD of Leyland Daf Vans. He was a Main Board of Audi AG, as worldwide Sales and Marketing Director and prior to that was Managing Director of Rover Europe responsible for sales and marketing of Rover and Landrover vehicles. Graham was also Deputy Chairman of Bibby Line Group and senior independent Director of Lookers Plc. Latterly. He was Chairman of Gema Motors, a Moscow based automotive retail group.
Follow his semi-retirement from full time roles in 1999, Graham became heavily involved in the charitable sector, serving on the Boards of several organisations, including Charities Trust which helps raise over £100 million per year for these needy organisations. Graham was awarded the O.B.E. by the Queen in 2011 for services to the automotive industry and for his work in the charitable sector.