Sunil Bharti Mittal is an Indian businessman and founder of Bharti Enterprises. He started his career by importing and selling portable generators and later entered the telecom sector by manufacturing electronic push button phones. In 1992, he won a license to start a mobile service in Delhi which became successful. He founded Bharti Cellular Limited in 1995 which offered cellular services under the brand AirTel and became India's largest mobile operator. Today, Sunil Mittal runs a successful telecom empire valued at $2 billion employing over 5,000 people. He is involved in various social initiatives through the Bharti Foundation and has received many awards for his business and philanthropic work.