Mohammed Mahdi Al Tajir () (born 26 December 1931) is a Bahrana-Emirati businessman based in the United Kingdom. He was the first United Arab Emirates ambassador to the United Kingdom and non resident ambassador to France. Al Tajir spends much of his time at his London home or at Keir House, his Perthshire estate. He has interests in finance and property, and owns the Highland Spring bottled water company. Al Tajir was named one of Scotland's richest men with wealth of £1.72 billion in the Sunday Times Rich List 2010. Life Mohammed Mahdi Al Tajir was born in December 1931 in Bahrain, and educated at Preston Grammar School in Lancashire. Al Tajir is married with five children. Al Tajir's 15,000 acre Blackford estate in Perthshire, Scotland is owned by his company Park Tower Holding Establishment, based in the tax haven of Liechtenstein. Al Tajir also owns London's Sheraton Park Tower Hotel at 101 Knightsbridge near Hyde Park and Mereworth Castle in Kent, which he purchased in 1976 for $1.2 million. In the 1980s, he attempted to broker a peace deal in the Lebanese Civil War with his business partner Hani Salaam. Al Tajir has an extensive collection of silver artifacts and carpets. In 1993 Al Tajir paid the record price for a piece of silver at auction, when he bought a 1736 silver chandelier made by Balthasar Friedrich Behrens for £2.27 million at Christie's in Monaco. Al Tajir formed a joint venture with Bonhams fine art auction house to open an office in Dubai. Al Tajir's son, Maher al-Tajir, was found guilty of assaulting his girlfriend at Keir House in 2009. Business career Appointed head of customs in Dubai by Sheikh Rashid bin Saeed Al Maktoum, he became one of Sheikh Rashid's most trusted advisors and was made the first Ambassador of the United Arab Emirates to the United Kingdom when the UAE was founded in 1971. Under a thinly disguised name, Al Tajir's exploits as a negotiator were recorded in the 1976 novel Dubai by Robin Moore. In 1963, Al Tajir became director of Sheikh Rashid's Petroleum affairs and effectively the most powerful man in Dubai after Sheikh Rashid himself. Al Tajir lost or resigned his position in 1981 with the downfall of Sheikh Rashid's health and the waning of his personal power, with the ascedency of Shekih Rashid's sons. Al Tajir remained UAE ambassador to the United Kingdom