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.
John Byrne (judge) The Honourable Justice John Harris Byrne, AO, RFD (born 16 October 1948) is the Senior Judge Administrator of the Supreme Court of Queensland. Having been a judge of that court since 1989, he is one of the court’s most experienced judges. He is also Chair of the National Judicial College of Australia, a body which provides programs and professional development resources to judicial officers in Australia.