1982 – 1988
McLaren InternationalF1
Aerodynamicist (also Project Engineer on TAG-Porsche turbo engine project; worked under John Barnard on MP4 series)
1988 – 1997
McLaren InternationalF1
Head of Research and Development (established McLaren's first dedicated R&D department)
1997 – 1999
Benetton FormulaF1
Senior Aerodynamicist (worked with Nick Wirth and Pat Symonds)
1999 – 2001
Jordan Grand PrixF1
Head of Vehicle Technology (invited by Mike Gascoyne; Jordan finished 3rd in 1999 Constructors')
2001 – 2003
Renault F1 Team, EnstoneF1
Deputy Technical Director (under Mike Gascoyne)
2003 – 2009
Renault F1 Team, EnstoneF1
Technical Director (R25 & R26 won 2005 & 2006 Drivers' and Constructors' titles with Fernando Alonso)
2009-09-23 – 2009
Renault F1 Team, EnstoneF1
Acting Team Principal (after Briatore & Symonds resigned over 'Crashgate'; 23 Sept 2009 to end of season)
2010 – 2010-10-06
Renault F1 Team, EnstoneF1
Managing Director (left team 6 October 2010 amid Genii Capital restructuring)
2011-04-01 – 2014-11
Mercedes GP Petronas F1 Team, BrackleyF1
Technical Director (appointed 18 Feb 2011, effective 1 Apr 2011, reporting to Ross Brawn; resigned Dec 2013, departed Nov 2014; laid groundwork for W05 hybrid era)
2015-06 – 2016-02
Manor Marussia F1 TeamF1
Technical Consultant (recruited prior to 2015 Canadian GP)
2016-02-03 – 2018-07
Renault Sport F1 Team, Enstone & Viry-ChâtillonF1
Chief Technical Officer (oversaw chassis & engine integration for the works-team revival; R.S.16 onward)
2018-07 – 2024-03
Renault Sport Racing / Alpine F1 TeamF1
Part-time Technical Advisor (reporting to Cyril Abiteboul; long-term strategic projects through the Renault-to-Alpine rebrand)
2024-03-06 – present
Aston Martin Aramco F1 Team, SilverstoneF1
Executive Director – Technical (overall responsibility for Technical, Engineering and Performance functions; initially reporting to Mike Krack)