Mukesh Ambani is an entrepreneur.
A business magnate ( formally industrialist ) refers to an entrepreneur of great influence , importance , or standing in a particular enterprise or field of business . Mukesh Dhirubhai Ambani ( born 19 April 1957 ) is an Indian business magnate who is the chairman , managing director and largest shareholder of Reliance Industries Limited ( RIL ) , a Fortune Global 500 company and India 's second-most valuable company by market value . In 2016 , he was ranked 38 , and is the only Indian businessman , on Forbes list of the world 's most powerful people . , Ambani ranked fifth among India 's philanthropists , according to China 's Hurun Research Institute .