John Adair (author) at the University of Exeter from 1990 to 2000. He is currently an Emeritus Fellow of the Windsor Leadership Trust where he regularly speaks on Leadership development programmes. Since 2006, he has been Honorary Professor of Leadership at the China Executive Leadership Academy in Pudong. In 2009 he was appointed Chair of Leadership Studies United Nations System Staff College in Turin. He is President of Adair International. John Adair (author) Professor John Eric Adair (born 18 May 1934) is a British academic who is a leadership theorist and author of more than forty books (translated into eighteen languages) on business,
Kurt Lewin foundational model for making change in organizations. There is now evidence, however, that Lewin never developed such a model and that it took form after his death in 1947. Lewin's equation, "B" = "ƒ"("P", "E"), is a psychological equation of behavior developed by Kurt Lewin. It states that behavior is a function of the person in their environment. The equation is the psychologist's most well known formula in social psychology, of which Lewin was a modern pioneer. When first presented in Lewin's book "Principles of Topological Psychology", published in 1936, it contradicted most popular theories in that it gave importance