President of Tacthys/Cervval: a French company involved in:-simulation methods of virtual reality for complex sytems and new energies systems developments such as: - new vertical axis wind turbine (Wind-House) - massive energy storage systemsthese simulation's methods are very efficient during the conceptual development phase of complex systems, and also for the training of operators of these systems and for marketing communication.-simulation of project' s execution programs.See: http://www.cervval.com/