Ken Costa, Chairman of Lazard International, has resigned from his current role, The Wall Street Journal reports. He will be leaving the firm by next week to purse other opportunities.

Costa joined the investment management and advisory services provider in 2007 from UBS. At Lazard, he headed the team that advised Egyptian billionaire, Mohamed Al Fayed, on the sale of Harrods to the Qatari royal family for £1.5 billion last year.

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