H. J. Heinz Company (NYSE: HNZ - news) today announced that David R. Williams (57) has been appointed President and CEO of Heinz Europe, effective immediately. He will replace A. G. Malcolm Ritchie (46) who has agreed to become the Chairman and CEO of United Biscuits in the UK. Richard Wamhoff (55), Executive Vice President-Global Manufacturing/Supply Chain, will become Executive Vice President- Heinz Asia/Pacific, replacing Mr.