stepney was team manager and chief mechanic of jrm racing, in the fia world endurance championship. he started in formula one as a mechanic at shadow in 1977, then followed elio de angelis to team lotus before moving to benetton for the late 1980s and early 90s and then to scuderia ferrari with michael schumacher, rory byrne and ross brawn. he was chief mechanic at ferrari and later became race and test technical manager.