Would you schedule an important meeting at midnight? Probably not. After all, that wouldn't suit your biological rhythm. We all understand that, and our society and work culture are largely geared to it. Yet there are other biological rhythms that we often completely ignore. While these are at least as powerful, knowledge about the hormonal cycle, for example, is much less obvious.

Arnoud Raskin has been working with street children in slums around the world for 15 years with Mobile School. This experience opened his eyes to the enormous potential of these children and made him realise that the skills they use every day to survive can be a valuable source of inspiration for managers who need to keep their businesses afloat in a competitive environment.