Mukesh Dhirubhai Ambani is an Indian business magnate, the chairman, managing director, and the largest shareholder of Reliance Industries Limited (RIL). As of 2016, Ambani was ranked 38 and has consistently held the title of being India's richest person on the Forbes magazine's list for the past ten years. Mukesh was born in Aden, Yemen and brought up in Mumbai, India. He received his degree in Chemical Engineering from the Institute of Chemical Technology in the early 1970s. Mukesh started working alongside his father Dhirubhai Ambani in their family business, Reliance, since 1981. Reliance Industries Limited deals mainly in refining, petrochemicals, and in the oil and gas sectors. The business has expanded over the years to provide products and services like Retail Markets and Telecommunications. Reliance’s Jio has earned a top-five spot in the country’s telecommunication services since its public launch on 5 September 2016.