March Engineering
He then worked for Arrows and Ferrari, before reuniting with ATS boss Schmid as designer for his new Rial F1 outfit in 1988. He fell out with Schmid again and became Technical Director of the Zakspeed team. When the team folded at the end of the 1989 season, he moved on to Leyton House, where he worked on the March CG891 and stayed on as they reverted to March Engineering.