Many companies are disappointing the citizens of this world by manipulating labor rates, putting horse meat instead of beef out there, or thinking it's totally acceptable to make a T-shirt from a collapsing factory. Increasingly, people don't want to work for these companies, and consumers don't want to buy from them.

We cannot choose between [economic] growth and sustainability - we must have both

This world is changing enormously. In any position in a company you need to work very hard on learning new skills every day, but you also need to unlearn some of the old skills from the past.

The moment you discover in life that it's not about yourself, that it is about investing in others, I think you're entering a steadier state to be a great leader. Because above all, I think the main quality of a leader is to be a human being. There's no reason you are special because you happen to have this job or these responsibilities.

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.

The very essence of capitalism is under threat as business is now seen as a personal wealth accumulator. We have to bring this world back to sanity and put the greater good ahead of self-interest. We need to fight very hard to create an environment out there that is more long term focussed and move away from short termism.

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.