Edgard Dayan graduated from the Institut National des Techniques Economiques et Comptables (Paris) and holds a DESS in Strategic and Business Management (Institut Français de Gestion, Paris). Between 1972 and 1995 he was in charge of missions for the Conseil National de la Comptabilité (Ministry of Finance, Paris), intervened as an auditor (accounting and finance audit firm), and as the administrative and then financial director of a food-processing firm, before taking on a position as the Financial director of a consulting firm providing technical assistance to developing countries. Since 1995 he has been working as a consultant specialized in audit and finances. Between 1972 and 1975 he taught at the Conservatoire National des Arts et Métiers (chair of corporate financial and accounting techniques). He is now working as a trainer (since 1999), designing and presenting trainings and workshops on management, accounting and finances for business leaders and administrative officers.