"Even when the Enron meltdown happened, I saw potential in energy," says Andrew Polydor, managing director, Europe, Middle East and Asia of Tullett Prebon Energy. "I am a glass half-full guy. I can't understand it when people walk around the floor looking depressed – I guess I am just a naturally optimistic guy."

Ten years after starting his career in the energy markets by broking power in Australia, Polydor feels he has every reason to be optimistic. It is has been an interesting time to be in