Kohlberg & Company has completed its acquisition of Tyson Foods’ frozen bakery business, including the Sara Lee, Van’s, Chef Pierre and Bistro Collection brands. The new business will encompass all four brands and be called Sara Lee Frozen Bakery. Its new chief executive officer is Craig Banner, who was previously president of U.S. Morning Foods at the Kellogg Co., and before that was chief marketing officer at Wendy’s.