Sir Peter Gershon joined the Board of National Grid "as Deputy Chairman on 1st August 2011. He succeeded Sir John Parker as Chairman on 1st January 2012. Sir Peter Gershon is Chairman of Tate & Lyle plc. He is also a member of the UK Defence Academy Advisory Board and a member of HM Government Efficiency Board. Previously he was Chairman of Premier Farnell plc, Chief Executive of the Office of Government Commerce, Managing Director of Marconi Electronic Systems and Chairman of Symbian Limited."