Between theory and practice, management has always been considered and implemented in a thousand and one ways. Faced with an increasingly hostile environment (economic, social, cultural and environmental changes...), companies need to rethink their management style. Where do you find your place among the different currents of thought and wills, while taking into account the constraints of a constantly evolving market? How can a company's melting pot of generations and cultures be brought together around a common project? The co-authors set out to analyze the evolution of management over time, and to highlight disruptive management techniques and the causes behind their emergence.