Rob Allen has joined Dallas-based distribution giant Fleming as executive VP and president, convenience distribution. In this new position, Allen leads Fleming's national piece-pick distribution network serving convenience- oriented retail customers across the country. Allen was previously president and CEO of Core-Mark International. Fleming's acquisition of Core-Mark was finalised 18 June 2002. With the addition of Fleming's other piece-pick distribution centers, the acquisition completes a national distribution footprint supplying consumer package goods to convenience-oriented retailers across the country.