He attended The King's School in Tynemouth. He started his career in 1981 at the age of fourteen karting. Two years later, he won the Junior Kart Championship. 1985 Plato was active in the Senior Kart World Championship and the British Senior Kart Championship and finished the season fifth in both series. In 1987 he went into the Formula K Championship, and two years later he was seen in the Elf Renault Winfield School, where he could get a second place at Magny Cours. In 1990, the Englishman fifth in the British Formula Renault was. A year later he won the title in the Formula Renault Euro Series.
1992 Plato drove in the British Formula 3 in 1993, he transferred to the British Formula Vauxhall Lotus championship and finished the season in fifth place. In 1994 he was a test driver in the British Touring Car Championship. In 1995, he played a few races in the British Formula Renault and 1996 he succeeded with the victory in the Elf Renault Sport Spider UK Cup be at this time the third title of his career. Since 31 March 1997 Plato denies the championship rounds of the British Touring Car Championship. 2001 he was the highlight of his career: he was British Touring Car Champion. Besides, he went in 2002 in the UK NASCAR and in 2003 was working as a driver mentor. In 2009, he missed the title in the British Touring Car Championship after the change of Seat to Chevrolet only by 5 points and made the last run of the season a 3-fold victory (as 2nd driver at all).