Minneapolis-based branded food giant International Multifoods today [Tuesday] announced that Martin Jamieson is to be both VP of International Multifoods and president of Robin Hood Multifoods, the company's Canadian foods division. Jamieson replaces Donald H. Twiner, who has been appointed chairman of Robin Hood Multifoods and will remain with the company to facilitate smooth succession until his planned retirement on 30 June 2003. Jamieson's appointment as president is effective immediately.