In a context of strong competition, the decision-making becomes a fundamental managerial act. It engages the decision makers in cognitive processes such as : rigour and quickness of analysis, capacity of synthesis, argumentation, negotiation and finally, conscience of their responsibilities. So, in order to fight inherent uncertainty in their decision-making, the decision makers seek to obtain the clearest vision of the future. To support this innovation strategy and to help the decision makers to know all necessary information to a decision-making, the STMicroelectronics Tours site has created a competitive intelligence (CI) team : the Market Intelligence. After having tested and having improved several processes of watch and in order to support efforts of innovation processes, the last method implemented by the CI team sets up on an active participation of experts groups : the expert group process. The aim of this process is to help the top management in the identification of new strategic orientations and to allow to provide quickly an outlook on a given topic for a steering committee. The expert group process is based on three entities, the steering committee, the expert group and the Market Intelligence whom the role is To link the steering committee and the expert group, To be professionals of Science of Information, To be the stimulating persons of the process. Moreover, this process is stated in many methodologies such as : The cycle of information i.e. from the analysis of needs to data collection, then the information sharing and lastly the relevant information dissemination The part “From the emergence to the concretization of one idea” of innovation process in funnel-shaped i.e. getting information, analyzing its potential of innovation and reinforcing its potential of innovation. The decision making process i.e. the analysis of the objective or identification of the problem , then the problem structuring, then the working out of possible options and lastly, the evaluation and the choice among these options This mix of the processes allows to create a support of the decision-making aid. Compared with the difficulties encountered by many tops managers and decisions makers, the expert group process brings concrete and effective solutions to the decision-making process.