Antônio Reginaldo Pizzonia Júnior (born 11 September 1980) is a Brazilian professional racing driver who has raced in Formula One and the Champ Car World Series. Born in Manaus, he started his car racing career in the Formula Vauxhall Junior series in 1997, and then progressed through various junior formulae, winning the Formula Vauxhall Junior Winter Festival in 1997, the Formula Vauxhall Junior and Formula Renault Winter Festival in 1998, the Formula Renault 2.0 UK in 1999, and the British Formula 3 Championship in 2000.