The grocer’s chief executive David Potts said he was saddened by Strain’s decision to leave the business after 13 years, but wished him all the best in the future. 

“Trevor has played a pivotal role in the turnaround of Morrisons and his contribution to the business over many years has been very significant,” he said.

“I have worked very closely with him since my first day at Morrisons and his ability to plan and execute complex change and progression at great pace has been invaluable.