Jeffrey A. Sonnenfeld is the Lester Crown Professor at the Yale School of Management and founder of the Chief Executive Leadership Institute, the world’s first school for CEOs. A preeminent authority on corporate governance and leadership, he has advised five U.S. presidents and thousands of global executives. His seminal article, “What Makes Great Boards Great,” is a cornerstone of “HBR’s 10 Must Reads on Boards,” highlighting his extensive research on leadership succession and effective board dynamics.
