Two Greencore food divisions have been merged into one unit called Convenience Food and Mr Tony Hynes has been appointed head of the newly merged business.
The company said in a statement that Ms Anne Truelove and Mr Gerry Smith, respectively the current chief executives of Greencore Chilled Foods and Greencore Ambient & Frozen, will be leaving the group.
Mr David Dilger, group chief executive said: "There are clear benefits to further integrating the business and unifying the leadership of all of our convenience food activities."