Amr Moussa: Egypt's next president?

He is a man who has said that he wants to contribute to the service of his nation. He is a credited with shaking up bureaucracy whilst head of the Arab League. And in an opinion poll during the protests which led to the fall of Hosni Mubarak, 26% of Egyptians named him as a possible future president of Egypt. But who exactly is Amr Moussa?