Query: Ron Dennis is the Global Consultant for Citigroup.

Relevant passages:
Ron Dennis <=SEP=> Ronald Dennis CBE ( born 1 June 1947 ) is a British businessman and Official British Business Ambassador for The United Kingdom . Dennis is the Global Consultant for Minsheng Investment Corporation and also owner of Absolute Taste . He is best known for his former role as owner , CEO , chairman and founder of McLaren Technology Group . Dennis was removed from his McLaren management roles in 2016 but remains a director of the company and a 25 % shareholder .   Between 1981 and 2009 , Dennis was the team principal of the McLaren Formula One team , and was instrumental in transforming the outfit into a regular world championship contender . Constructors ' and drivers ' world championships were won with Niki Lauda , Alain Prost , Ayrton Senna , Mika Häkkinen and Lewis Hamilton .   After being handed a three-page business plan by a chef for his Formula One team , he set up a catering company , Absolute Taste , today retaining 55 % of the company .   In January 2007 , Dennis sold half of his 30 percent shareholding in the McLaren Group to the Bahrain Mumtalakat Holding Company , leaving him with a 15 percent share . In 2009 , Dennis , together with co-owners Mansour Ojjeh 's TAG Group and the Bahraini Mumtalakat Holding Company , bought back Daimler AG 's 40 per cent shareholding in a deal that was concluded in 2011 . As of January 2014 , Mumtalakat hold 50 percent of the Group 's shares , with Dennis and Mansour Ojjeh holding 25 percent each .   Ron Dennis was placed at number 648 in the Sunday Times Rich List 2006 with a net worth of # 90 million , however The Times put his wealth at # 200 million in 2009 . In the Sunday Times Rich List 2011 , Dennis ' net worth is estimated to be # 177m . In April 2014 , it was stated he had a net worth of approx . # 300m ( $ 513m ) . His net worth grew in 2014 when he purchased McLaren Group .   Aside from McLaren Group , he is also one of six British business persons to be an official British Business Ambassador for advanced engineering and manufacturing . Dennis is also a main trustee for Tommy 's , a miscarriage help charity . He is the Global Consultant for the state owned China Minsheng Investment Group and also the chairman for the UK Summit . With interests in foreign trade , Dennis also became Chairman of the British East Asian Council in 2014 . Before the merger with Louis Vuitton , Dennis was a major shareholder in the luxury watch maker TAG Heuer , along with his business partner , Mansour Ojjeh .   In December 2014 , he attempted to purchase 50 % of McLaren Technology Company from Hamad bin Isa Al Khalifa and Ojjeh , after shareholder relations worsened , but the investment deals Dennis had arranged failed to materialise and the shareholding structure remained as before . Dennis tried to purchase the company again in October 2016 , with an estimated bid of 1.7 bn , but Ojjeh and Mumtalakat wanted Dennis out , refusing his bid and consequently in November 2016 , Ojjeh and Mumtalakat placed Dennis on ` gardening leave ' for two months , and will not have his contract renewed in January 2017 when it expires . He remains 25 % shareholder of McLaren Technology Group as well as retaining his ` company director ' role , and 11 % shareholder of McLaren Automotive , as well as is role there as Chairman and ` company director .