What Hamilton, Bermuda based holding company who formerly featured CEO John J Byrne?
John J. Byrne John J. Byrne (July 11, 1932 – March 7, 2013) was an American longtime insurance industry executive who was CEO of GEICO, White Mountains Insurance Group and Fireman's Fund. He also served as chairman of Overstock.com.
John Dewar, 2nd Baron Forteviot John Dewar, 2nd Baron Forteviot {'1': ", '2': ", '3': ", '4': "} (1885-1947) was a Scottish businessman and soldier, notable as being head of the whisky giant Dewar's and of the Distillers Company and a Director of the Bank of Scotland.