John's highly successful career in Motor Racing is summarised below:

1. Engineer in charge for Aston Martin DB 214 cars at Monza 1963, (won by Roy Salvadori).
2. Engineer and assistant to John Wyer at Ford Advanced Vehicles. Working on the build and development of Ford GT 40.
3. Director, (with J.Wyer and J. Willment) of J.W Automotive Engineering. Engineer in charge of preparation and development of Ford GT 40 (and Mirage) cars, which won World Sports Car Championship in 1968 and Le Mans 24hrs in 1968 and '69. Also solved Porsche 917 handling problems, enabling British company (J.W.A.E) to win Sports Car Championship in 1970 and '71. Developed M1, M2 and M3 Mirages.
4. Managing Director of Gulf Research Racing Company. Built M6, GR7 and GR8 Mirages. Won Le Mans 1975 with Ickx/Bell in a GR8.