Citi Hedge Fund Services has confirmed that the head of operations at its Bermuda office will be leaving his post voluntarily at the end of May, The Royal Gazette can reveal. A spokeswoman for Citigroup said that Eric Bertrand has handed in his resignation and his duties will be performed in the interim by Mark Briers, who is part of the senior leadership team, while the company looks for a long-term replacement as part of its transition plan.