Mukesh Ambani

Mukesh Ambani controls the largest private company in India, and Jio, its telecom arm, has more than 450 million subscribers — a scale that makes most Western carriers look regional by comparison. Reliance Retail and a growing media portfolio round out the empire. Ambani is also the name attached to one of the decade's most extravagant weddings, his daughter Isha's 2018 ceremony reportedly running past $100 million. Net worth: roughly $115 billion, the highest of anyone in Asia.