Marcus, a Roman Catholic,married Katherine (born 1949), daughter of Edmund de Rothschild of the Rothschild banking family of England and has a close involvement with the Rothschild family estate, Exbury Gardens in Hampshire. They have two children. In 2010 Tablet The named him as one of Britain’s most influential Roman Catholics.
From December 1, 2006, he is serving as a non-executive director in the BBC’s new Executive Board. He is also the Trustee of the Royal Botanic Gardens, Kew and is Chairman of the Kew Foundation.He is also one of the three current trustees of the Bilderberg Group. On 1 September 2006, Agius joined the Barclays board as a non-executive Director
On 2 July 2012 it was announced that Agius would resign following the Barclays fine for manipulation of the London Interbank Offered Rate (Libor) by some Barclays employees in the Libor scandal. However, in November 2012, it was reported in the press that he might be retained as a consultant. On 3 July 2012 it was announced that Agius was reinstated as “full-time chairman”, following the resignation of CEO Bob Diamond.Agius will serve as chairman until a new chief executive is appointed.
During his time at Barclays Aguis attended the 2011 meeting of the Bilderberg Group. Next time you watch a BBC proramme or listen to its “news” section remember that Remember this nugget of information when you hear anything on Barclays too