Michael Mario Andretti (born October 5, 1962) is an American former auto racing driver and current team owner. Statistically one of the most successful drivers in the history of American open-wheel car racing, Andretti won the 1991 CART PPG Indy Car World Series and amassed 42 race victories, the most in the CART era and fourth-most all time. Since his retirement from active racing, Andretti has owned Andretti Autosport, which has won four IndyCar Series championships and five Indianapolis 500 races.
He is the son of Formula One World Champion and Indianapolis 500 winner Mario Andretti, and the father of current IndyCar Series driver Marco Andretti.