Nigel Ernest James Mansell is a British former racing driver who competed in Formula One from 1980 to 1995. Mansell won the Formula One World Drivers' Championship in 1992 with Williams, and won 31 Grands Prix across 15 seasons. In American open-wheel racing, Mansell won the IndyCar World Series in 1993 with Newman/Haas Racing, and remains the only driver to have simultaneously held both the World Drivers' Championship and the American open-wheel National Championship.
Mansell's career in Formula One spanned 15 seasons, with his final two full seasons of top-level racing being spent in the CART series. Mansell was the reigning F1 champion when he moved to CART, becoming the first person to win the CART title in his debut season, and making him the only person to hold both the World Drivers' Championship and the American open-wheel National Championship simultaneously. Mansell is the second most successful British Formula One driver of all time in terms of race wins with 31 victories, behind Lewis Hamilton with 105 wins, and is eighth overall on the Formula One race winners list.