Tavistock Institute, a group of researchers that stressed the importance of human relations in shaping work. Douglas McGregor’s work at MIT influenced the work of his colleague Ed Schein, who became the world’s foremost expert on organizational culture. Scholars like Michael Beer at Harvard continued to write about high-performing firms whose success was rooted in purpose-driven leadership and respect for employees. But for decades the purpose-driven organization was an outlier, more the exception than the rule.

