New York—The Association of National Advertisers on Monday announced the election of Steve Sullivan, senior VP-communications at Liberty Mutual Group, as chairman of the board. Sullivan succeeds Jim Stengel, global marketing officer at Procter & Gamble Co. The leadership change was announced at the ANA's Annual Conference in Orlando, Fla. Sullivan has been with Liberty Mutual Group for 10 years. He is responsible for global branding, advertising, public relations and internal communications. He will serve as the ANA's chairman through October 2008.