Woolworths' new chief executive Brad Banducci is tipped to focus on improving the retailer's supermarkets division, which generates 70 per cent of group profit. Woolworths' new chief executive Brad Banducci will not replace Grant O'Brien on the board of Australian Leisure and Hospitality Group, while former boss Roger Corbett is tipped to join the hotels and pokies operator as a non-executive director in the next month.