Jim Cantalupo, McDonald's chairman and chief executive, has died of a suspected heart attack, at a company convention. Andrew J. McKenna, presiding director of the McDonald's board of directors, said: "It is with great sadness that I announce that Jim Cantalupo, our chairman and CEO, died suddenly and unexpectedly of an apparent heart attack this morning in Orlando, Florida, site of the McDonald's Worldwide Owner/Operator Convention," "Jim was a brilliant man who brought tremendous leadership, energy and passion to his job. He made an indelible mark on McDonald's system."