Div Turakhia has been working almost nonstop for more than two decades, and he has a lot to show for it. Turakhia, 36, became one of India’s youngest self-made billionaires two years ago after selling his ad-tech startup Media.net to a consortium led by China’s Beijing Miteno Communication Technology for roughly $900 million.

That wasn’t even Turakhia’s first big payday. He and his older brother, Bhavin, also founded Directi Group, a holding company with a portfolio of tech businesses — such as the domain registrar Radix and international voice-calling app Ringo — that reports $250 million in annual revenue, according to the company. Read more