Graham was Chief Executive Officer of Alpha Plus from 2009-2014. Prior to that, he spent 40 years teaching in independent schools, the last 21 as a Headmaster in London. He retired from the Mastership of Dulwich College in August 2009. He is a former Chairman of the Headmasters’ and Headmistresses’ Conference and was President of the International Boys’ Schools’ Coalition for 3 years. A keen sportsman, he is a member of MCC and a trustee of the Cricket Foundation.