American former pro stock car racing driver and NASCAR team owner. He is a three-time NASCAR Sprint Cup Series (today known as the Monster Energy NASCAR Cup Series) champion as a driver, winning titles in 2002, 2005 and 2011. In 2011 Stewart had an ownership interest in the team. He won again as an owner with Kevin Harvicks title in 2014. Throughout his racing career, Stewart has won racing titles in Indy, midget, sprint, and USAC Silver Crown cars. He is the only driver in history to win a championship in both IndyCar and NASCAR. Link to Wikipedia biography Read less