Michael Spencer and Sarah Milford Haven  formerly married to  to Prince Philip's cousin, the Marquess of Milford Haven, termed Sarah, Marchioness of Milford Haven,  is seeing moneybroker Michael Spencer, 53, Spencer stood down as treasurer and member of the board of the Conservative Party in October 2010 , formerly considered to be the most powerful man in the City of London.(2008)  ICAP's chief executive, Michael Spencer has cut hundreds of jobs once held by voice brokers—who take orders and execute trades manually by phone or computer—while expanding electronic-trading services.
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