Peter Drucker on Consulting: How to Apply Drucker's Principles for Business SuccessThe Master Handbook of Peter Drucker's Consulting "Dr. Cohen became my student at the Graduate Management Center of the Claremont Graduate School after he had already achieved significant success in TWO separate careers as a military officer and a businessman. He soon established himself as both an outstanding student and an outstanding scholar and, after attaining the PhD degree, soon thereafter as an outstanding and inspiring teacher. He has