
Member of the SYNTEC Etudes Marketing et Opinion's Board (the professional association representing Market Research firms in France).
In 1976 Marc Gilles created the Marc Gilles et Associés Institute after having worked as a marketing innovation consultant for the Bernard Julhiet Group.
He works with major international groups and local authorities, as well as on assignments for the European Community.

She gained experience in market research techniques in the Market Research Department of Colgate Palmolive, then in brand strategy issues for advertising agencies as an Account Manager in charge of leading companies′ campaigns, before joining Marc Gilles et Associés in 1990.