Sunil Bharti Mittal (born 23 October 1957) is an Indian entrepreneur, philanthropist and the founder, chairman and Group CEO of Bharti Enterprises, which has interests in telecom, retail, financial services, and agri business. The Group flagship Bharti Airtel, with operations in 20 countries across Asia and Africa and a customer base of over 275 million, is India's largest telecom company and world's third largest mobile operator.