Dhirubhai Ambani was an Indian businessman who founded Reliance Industries, one of India's largest private sector companies. He started his career selling snacks and later worked as a clerk, saving money to start a textiles trading company. With his sons Mukesh and Anil, he built Reliance into a massive conglomerate with interests in petrochemicals, telecom, energy and more. Ambani transformed Indian markets by attracting millions of retail investors. He passed away in 2002, leaving behind a business empire but also questions about its future leadership and direction.