11. Mukesh Ambani: $90.7 billion
Mukesh Dhirubhai, an Indian businessman who owns and chairs Reliance Industries Ltd., is worth $90.7 billion. His father founded the company in 1966. The company invested $80 billion to make the switch to renewable energy within 15 years. Mukesh ambani has received a staggering number of awards, including those from Ernest & Young India and the University of Pennsylvania. India’s richest person is also the third-largest philanthropist in India.