“Derek is a man with wisdom way beyond his years. He is a great strategist and counselor and knows how to get things done. Most of all, he is a man of integrity and that affects all of his relations and his work.”
JOSEPH MACIARIELLO, Marie Rankin Clarke Professor of Social Science and Management Emeritus at Drucker/ Ito Graduate School of Management, Author ofThe Daily Drucker and A Year With Peter Drucker.