Lionel Barber is a journalist, author, and former editor of the Financial Times. He’s interviewed state leaders like former US President Barack Obama and German Chancellor Angela Merkel. But in Gambling Man: The Wild Ride of Japan’s Masayoshi Son, Barber chronicles the life of SoftBank’s enigmatic CEO from his childhood as an ethnic Korean in Japan to becoming the richest man in the world – briefly. Barber sits down with Oz to discuss the impact SoftBank’s investments have had on technology.