PETER Marks believes, out of many deals he has led in his dramatic five year stint as chief executive of the Co-operative Group, his first, was the most important.Mr Marks, 62, says the 2007 merger of Stoke-based United Co-operatives with the long-established Co-operative Group revitalised the the co-operative movement and provided the foundations for the other major investments and transactions which have been made since then.The Bradford-born executive began his career in 1967 when he joined what became Yorkshire Co-operatives as......for the full story register now for free or login below...