PETER Marks, the Yorkshireman who has transformed the Co-operative Group as chief executive for the last six years, is to retire next year, the mutual said today. Mr Marks who brought United Co-operatives into the Co-operative Group then led the movement into a number of big-ticket deals including the acquisition of Somerfield, the merger with Brittania Building Society and most recently the acquisition of more than 600 branches from Lloyds Banking Group. Mr Marks, 63, will retire at The Co-operative Group’s Annual......for the full story register now for free or login below...