Peter Senge is an expert in organizational learning and founder of the Society for Organizational Learning. He authored The Fifth Discipline, which introduced concepts like learning organizations, systems thinking, and the five disciplines of a learning organization - personal mastery, mental models, shared vision, team learning, and systems thinking. Senge's work focuses on developing organizations where people continually expand their capacity to achieve desired results through fostering new ways of thinking and learning how to see the organization as a whole.