David Cockerell is an electronics engineer and designer. He started his career in the synthesizer world when Peter Zinovieff hired him to work for his EMS company in Putney in 1966 where he designed classic EMS synthesizers such as the Synthi VCS3, Synthi AKS and Synthi 100. On 1974 he worked for Electro-Harmonix in New York, where he first designed guitar pedals like the Small Stone phaser and Electric Mistress flanger. Still working for Electro-Harmonix, Cockerell designed one of the first digital delay pedals with looping capabilities in 1980, the Instant Replay, followed by the 2 Second Digital Delay in 1981 and the 16 Second Digital Delay in 1982.Work that later made him go to work in Akai where he was involved in the design of samplers like the S612, S900, S1000, and the famous MPC60