In the nineties, Peter Drucker envisaged that "the traditional factors of production - land, labour and capital are becoming restraints rather than driving forces" and "Knowledge is becoming the one critical factor of production". Welcoming the onset of knowledge society, we are proposing in this paper an approach the aim of which is to develop a concept, tools, and other elements necessary to establish a global e-Decisional Community. Central to the approach unique Set of Experience knowledge representation and Decisional DNA are at the main focus of our research and this paper.