Our world is moving at an ever-accelerating pace, and with the advent of social media, what happens in New York now can be reported across the globe 60 seconds later.

My four criteria: I don't want to work with people I don't like; I don't want to work in a business I either don't like or don't understand; I don't want to work for nothing unless I choose to, and I do a fair amount of that already; and I want to have some fun.

We believe responsible business can be profitable business

When my mother died, my father was in a crisis, my sister was in a crisis, everyone was in a crisis. I went round the night my mother was lying in the kitchen, and I organised everything, from the undertaker to the funeral... I looked after everybody, I sorted it all out and Ive done so ever since.

I was the chief executive once, I've been there. My recommendation to anybody is don't go backwards.

As retail goes through a fundamental shift into the digital world, I believe Ocado's model and the high standards of customer service it provides will see it emerge as a powerful online player.

I don't believe in retirement.