Bill Semple. After service in the Royal Air Force he joined NATS in 1965 and worked in progressively senior controller roles until 1978. He then worked in Airport management. In 1987 he rejoined NATS as Director of Civil Air Traffic Operations & Airport Services. From 1990 to 1997 he was responsible for all NATS' operational activities, first as Director General Air Traffic Operations and then as Chief Operating Officer. He was Chief Executive of NATS from 1997 to Autumn 2000, then non-executive Deputy Chairman to July 2001.
Stephen Pettit. He began his career with British Petroleum, where he held various roles both in the UK and overseas. He rose to be Chief Executive of the Petrochemicals Division of BP Chemicals, a role which required the management of commercial, manufacturing, people and safety issues. He joined Cable & Wireless in 1994 as Managing Director for Europe and was made a main Board director responsible for Europe and Mobile in September 1995. He then became Executive Director, Global Businesses in 1997, before taking on the role of Executive Director, Corporate Development in 1999. He holds a number of non-executive directorships in several high technology and financial service companies.
Clive Brooke (Lord Brooke of Alverthorpe) is a working Labour Peer. Since December 1999 he has been a member of the House of Lords European Union Select Committee and Chair of its sub-committee on energy, industry and transport. He also undertakes some business consultancy work, with a variety of organisations. He is a member of the Pensions Compensation Board.
He spent the early years of his career in tax collection at the Inland Revenue. He worked for the Inland Revenue Staff Federation for 30 years, holding posts as Assistant Secretary, Deputy General Secretary, and, from 1988 to 1995, General Secretary. He was a member of the TUC General Council and Executive Committee from 1989 to 1996. From 1996 he became Joint General Secretary of the Public Services Tax and Commerce Union. He stood down from this post in 1998 to combine consultancy and duties as a Peer.