My fear is a fear of being obsolete. This is a world that changes very fast, and one of the main human desires is to belong to, to be part of something. It's probably one of our greatest needs next to oxygen.

Leadership is not just about giving energy ... it's unleashing other people's energy.

If you work at an insurance company that sells premiums you wouldn't even sell to your mother, how happy would you feel to work there? It's going to eat you up. It might last a few years, but it doesn't attract the best people, and it certainly doesn't create the energy and engagement you need to be a long-term performing company.

My fear is a fear of being obsolete. This is a world that changes very fast, and one of the main human desires is to belong to, to be part of something. It's probably one of our greatest needs next to oxygen.

Provocative and challenging The Social License makes a compelling case for why companies must look to increase their positive social impact as an integral part of their core business strategies.

What is success? I think the most important thing is to achieve what you set out to achieve. Just being a CEO in itself is not success. I would not relate success to a title or a position. My career has had a level of serendipity all along. I've never planned anything out more than a few years.

My biggest fear is that we [Unilever company] at one point in time will not be able to attract the best and brightest [workers]. I don't worry so much about the business, the strategy. If we can continue to attract the best, I know they will ultimately figure out how to run the company in a very tough environment.