“There are two great energies of change in human affairs: fear and aspiration.”

Peter Sengee 

Peter Michael Senge (born 1947) is an American scientist and director of the Center for Organizational Learning at the MIT Sloan School of Management. He is known as author of the book The Fifth Discipline: The art and practice of the learning organization from 1990 (new edition 2006). He is a senior lecturer at the System Dynamics Group at MIT Sloan School of Management, and co-faculty at the New England Complex Systems Institute.