Simon Mark Arthur, 4th Baron Glenarthur, DL (born 7 October 1944), is a British peer, pilot and businessman. Having succeeded to his father's titles in 1976, he is one of the ninety hereditary peers elected to remain in the House of Lords after the House of Lords Act 1999, and sits as a Conservative. Career The son of The 3rd Baron Glenarthur, he was born into a Scottish mercantile family and was educated at Eton College. Commissioned to the 10th Royal Hussars in 1963, Glenarthur was Aide-de-Camp to the High Commissioner of Aden in 1964 and 1965. Between 1976 and 1980, he served as a Major in The Royal Hussars, Territorial and Army Volunteer Reserve, and was Captain for British Airways Helicopters between 1976 and 1982. Lord Glenarthur served in the government of Margaret Thatcher in the House of Lords, and in 1982 became a Lord-in-waiting (Government Whip) and became Parliamentary Under Secretary of State at the Department of Health and Social Security (DHSS) in 1983. He then moved to the Home Office before being promoted to Minister of State for Scotland in 1986. His last ministerial appointment was as Minister of State for Foreign and Commonwealth Affairs from 1987 to 1989. Amongst his particular responsibilities were Hong Kong and the United Kingdom's relationship with China. From 1977 to 1982, Lord Glenarthur was director of Aberdeen and Texas Corporate Finance Ltd and from 1979 to 1982 for ABTEX Computer Systems Ltd. He was Senior Executive of Hanson plc from 1989 to 1996, Deputy Chairman of Hanson Pacific Ltd from 1994 to 1998 and director of Whirly Bird Services Ltd from 1995 to 2004. He was further consultant to British Aerospace from 1989 to 1999 and President of the National Council for Civil Protection from 1991 to 2003. For the British Helicopter Advisory Board, he was chairman between 1992 and 2004, and is its president since 2004. Lord Glenarthur was director of Lewis Group in 1993 and 1994, was consultant to Chevron UK Ltd from 1994 to 1997 and director of Millennium Chemicals from 1996 to 2004. He was also consultant to Hanson plc from 1996 to 1999 and to the Imperial Tobacco Group plc from 1996 to 1998, chairman of the European Helicopter Association from 1996 to 2003 and of the International Federation of Helicopter Associations from 1997 to 2004, and is governor of the Nuffield Hospitals since 2000. Between