Nita Ambani, Wife of Mukesh Ambani

Another billionaire on our list is Mukesh Ambani, an Indian businessman with a staggering net worth of $76 billion. Mukesh earned his wealth by being the chairman, largest shareholder, and managing director of Reliance Industries, a Fortune Global 500 company. Aside from working for his company, he also served as the director and credit committee member of Bank of America Corporation. He met his wife, Nita, when she was a school teacher. They wed in 1985 and were blessed with two sons and a daughter, both of whom currently work for the family business.

Did you know that the family lives in one of the most expensive private residences in Mumbai? Yes, they reside in a 27-storey building called Antilia. It was also known that the family requires a staff of 600 people for their home maintenance. Their building includes a 160-car garage, three helipads, a private movie theater, and a swimming pool.