Born in
Kings Norton, West Midlands, Depper first started competitive racing in 2005, initially in the Mini Challenge Cooper Class. After finishing third in Club Class in his second season, he finished third outright in the Senior Class in 2007 for Forster Motorsport, and won the drivers title outright in 2008. In 2009, he finished in fourth place overall with three race wins. In 2010, Forster Motorsport stepped up to the British Touring Car Championship, entering two
BMW 320si cars to be driven by Depper alongside Arthur Forster.
Honda Civic at
Donington Park during the
2014 British Touring Car Championship season. In 2013, he competed in the VW Cup, racing for KPM. In 2014, Depper returned to the BTCC with Eurotech Racing, driving a Honda Civic alongside Andrew Jordan, achieving a best finish of 12th in two rounds. In 2015, Depper continued with Eurotech, achieving a best result of ninth and 18th in the championship. 2016 saw him remain with Eurotech in the British Touring Car Championship, driving the new Type R Honda Civic, achieving a career best finish of fifth at Thruxton. In 2017, he moved to Motorbase Performance, driving a Ford Focus ST teammates with Mat Jackson and Rory Butcher. Depper secured fastest lap at Brands in the last race of the year. It was announced upon the unveiling of entrants for the
2018 season that Depper would not be returning to the BTCC. He is currently competing in the VW Cup with Maximum Motorsport. ==Business career==