The 21st century managers must care about their technical, functional and socio-cultural skills in order to stand up to a new paradigm increasing their responsibility. Enterprises have to accept chaos as a basic process and share knowledge which has become the key institution's competency. Companies should change the model from feudal relationships with their partners to 'strategie partnership'. The development of virtual enterprises has a particular significance. Likewise, the leaning of organisation according to knowledge and other resources' management requirements plays an important role.