The twentieth century has been called the century of the homeless man. The number of persons permanently displaced for political reasons as a result of wars, treaties or sometimes obscure reason is startling.

If you look for the next Steve Jobs or Richard Branson in developing economies, however, their businesses rarely make it out of the garage as they are missing three critical factors. They lack financial capital, qualified employees plus the knowledge and access to financial markets.

I firmly believe that a society cannot heal from the wounds of war without accountability for serious international crimes. How can a society move towards a shared future while fundamental disagreements about the past and about responsibility for past crimes persist?

Born into a family where my father made about £35 a week and both of my parents worked tirelessly, we didn't have the luxury of material wealth. Yet, we were enveloped in an abundance of love, which I view as the ultimate luxury. This upbringing imbued me with empathy towards families facing similar circumstances.

Mobile telephones can really revolutionize the study of human behavior