 The team that should determine the necessary engineering work and assess the car 's financial viability was put in place during mid @-@ 1989 , working from the TWR workshops . Mike Moreton headed the team , joining TWR to run the XJ220 project . Moreton came from Ford Motorsports where he led the team responsible for the Ford Sierra <unk> Cosworth , and was a project manager for the Ford <unk> Group B rally car program . Richard Owen was appointed chief designer , and the remainder of the team was made up of Jaguar and TWR staff , including Pete Dodd , the only member of the group of twelve responsible for the XJ220 concept . The exterior and interior designers who had worked on the XJ220 prototype , Keith Helfet and Nick Hull , rejoined the project when it became clear that more design work would be needed . 
