Olivier Grandjean currently serves as the Chief Legal Officer at Air Liquide, a position held since July 2005, after previously being the Tax & Legal Manager. Prior professional experience includes serving as a Conseil fiscal at Fidex from October 2001 to June 2005, and as a Fiscaliste at Socofinam from July 2000 to September 2001. Earlier in the career, Olivier Grandjean worked at ONSSAPL as a Conseiller adjoint juriste from January 1996 to July 2000. Academic qualifications include a Master’s degree in law from UCL Louvain-La-Neuve, obtained between 1989 and 1995, and further studies at Ecole Supérieure des Sciences Fiscales from 1998 to 2000.