Strategy and development director of Greencore Group, Neil Chalk, has resigned. Chalk, aged 39, will leave the company on April 18.
He joined Dublin-based Greencore in March 2002 from Hazlewood Foods UK where he was group finance director and company secretary.
A spokeswoman for the company said: "Neil has made a very significant contribution to our group and our business both before and after the completion of our acquisition of Hazlewood Foods.
"We thank him for his effort, commitment and wise counsel and wish him every success in his future career."
Greencore said it did not intend to replace Chalk in the foreseeable future.
His responsibilities will be reassigned to other senior executives.