Business: Anil Ambani

PAL PILLAI/AFP/Getty Images

Business: Anil Ambani

Age: 49
Chairman, Anil Dhirubhai Ambani Group

The younger of the two Ambani brothers, he received the then-smaller half of the Dhirubhai Ambani empire in a court-negotiated settlement that his mother oversaw. Since then, Reliance Communications and Reliance Infrastructure have emerged as stock-market powerhouses, with RCOM becoming a top three telecom player in India. His company, Reliance Big Entertainment, has signed deals with Hollywood directors such as Steven Spielberg and Julia Roberts.