2023: Chief Technical Officer, Williams Racing
2022-2023: Chief Technical Officer, Alpine F1 Team
2020-2023: Chassis Technical Director, Alpine F1 Team
2018-2019: Engineering Director, McLaren Racing
2016: Engineering Consultant, Manor Racing
2014-2015: Director of Engineering, Ferrari F1 Team
2011-2013: Chassis Technical Director, Ferrari F1 Team
2010-2011: Deputy Technical Director, Ferrari F1 Team
2005-2010: Chief Engineer, McLaren F1 Team
2000-2005: Chief Engineer of Race Development, McLaren Racing
1993-2000: Race Engineer, McLaren Racing
1991-1992: Race Engineer, Benetton F1
1990-1991: Test Team Engineer, Benetton F1
1987-1991: Research and Development Engineer, Benetton F1