What Hamilton, Bermuda based holding company who formerly featured CEO John J Byrne?
White Mountains Insurance Group White Mountains Insurance Group () ) is a financial services holding company based in Hamilton, Bermuda.
Hamilton Harbour, Bermuda Hamilton Harbour is a natural harbour in Bermuda which serves as the port for the capital, the City of Hamilton. It is an arm of the Great Sound, and forms a tapering wedge shape of water between Paget Parish and the peninsula which forms Pembroke Parish, and upon which the capital sits.