Brewing and pub group Greene King said that David Elliott, managing director of its tenanted pub division, is to retire.Elliott will step down from the Greene King board on 31 January, 2010, and will be succeeded as head of the Pub Partners division by 37-year-old Simon Longbottom, currently managing director of the Gaming Group division of Gala Coral Group.Longbottom started his career at Bass Taverns and has since held senior positions at Mill House Inns and Mitchells & Butlers.‘Simon has significant and highly relevant experience in the pub and leisure sectors, which will be invaluable to Pub Partners, particularly as we continue to take a leadership role in the adaptation and ongoing improvement of the tenanted pub model,’ said Greene King chief executive Rooney Anand.