WILLIAM R. BERKLEY
Executive chairman
WR BERKLEY

William R. Berkley founded WR Berkley as a small company in 1967, and grew it into one of the nation’s top commercial lines P&C insurers. By 2004, WR Berkley had become a Fortune 500 company, and by 2007, it was generating revenues of $5.5 billion. Last year, Berkley moved into the role of executive chairman, handing the CEO reins over to his son, W. Robert Berkley Jr.