Justin King
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Justin King leaves Sainsbury's 'crying out for more'

Sainsbury's chief executive Justin King has been talking about his decision to leave after 10 years as boss: "One of the marks of leadership is if the leader chooses to go at a time when people are perhaps crying out for more."

He will leave the supermarket chain in July and will be succeeded by Mike Coupe, Sainsbury's group commercial director.

Mr King told the BBC's Emma Simpson he would not rule out taking over F1 if the opportunity arose: "I am still a relatively young man, I think I have got plenty left in the tank yet... When the right things comes along I will grab it with both hands."

Go to next video: What next for Sainsbury's boss?