Of the world's top 25 self-made billionaires, technology billionaires include Mark Zuckerberg (Facebook), Jack Ma (Alibaba) and Ma Huateng (Tencent), earning the first $ 1 million in less than five years. Meanwhile, Phil Knight, the founder of Nike sports shoes, took 16 years to reach this milestone, while French fashion magnate François Pinault took 25 years.
Here is the time that famous self-made billionaires achieve a milestone of $ 1 million.