Mukesh Ambani is an Indian businessman who is the chairman and managing director of Reliance Industries, India's second most valuable company. He was born in 1957 in Yemen to parents from Gujarat, India. Ambani led the creation of one of the world's largest oil refineries in Jamnagar, India. He lives in Antilia, a 27-story building in Mumbai valued at over $1 billion, which is considered the most expensive home ever. As of 2013, Ambani was ranked as the richest man in India and second richest man in Asia.