Cohen, Ph.D.

Bill Cohen head shot

Bill Cohen was the first graduate of the PhD program that Peter Drucker co-developed at what is now the Masatoshi Ito and Peter F. Drucker Graduate School of Management. Graduating and becoming Drucker’s friend, he applied Drucker’s methods and rose to become an Air Force general and the author of more than 50 management books published in 23 languages. He is the President of the Institute of Leader Arts which offers a unique corporate training program based on Drucker’s methods. Cohen’s latest book is Peter Drucker on Consulting: How to Apply Drucker's Principles for Business Success. He can be reached at

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One of the most important and useful competencies that I learned as General of the Air Force was how to innovate and how to implement innovation. Both are essential and this knowledge and ability helped me to become and perform as a general, and in the civilian world as a senior executive and CEO as well. I also learned that unless you can do...Full Article »
Wouldn’t it be incredible if a genie would arise from a magic lamp and reveal the richest source of innovation for profitability in whatever you do? With just one such innovation you could make a fortune for yourself or your employer.Peter F. Drucker was not a genie, but he was a genius. So respected is Drucker, that even today more than seven...Full Article »
Drucker wrote a column that ran in the The Wall Street Journal for two decades. One titled “The Five Deadly Business Sins” was important enough to be incorporated into his book Managing In a Time of Great Change and timeless enough to be republished in The Wall Street Journal in 2005. I took a deep dive into...Full Article »
There was one sure way that Drucker knew that an organization or a company was going to fail. And even though absolutely counterintuitive, this indicator was an important element in his consulting practice: If any organization continued to do what in the past had made it successful, it was certain that it would eventually go under.That sounds...Full Article »
How many times have I heard experts say something can’t be done? It must have been a million times.A little more than eight years ago, I was a guest on the USS Sequoia, a former presidential yacht, for a cruise up the Potomac River. During the cruise, I had a discussion with Diane Watson, a Democratic Congresswoman and former Ambassador to...Full Article »
Peter Drucker is arguably the most famous management thinker of the last hundred years, and perhaps of all time.The big question is: How did an otherwise inexperienced young man, born and raised in Austria in the early part of the 20th century become The Father of Modern Management? How did he become an adviser to powerful chief executives...Full Article »
Peter F. Drucker developed five famous questions that were crucial to the his approach to business. He published them in the book The Five Most Important Questions You Will Ever Ask About Your Organization.Those questions were:1. What is your mission?2. Who is your customer?3. What does your customer value?4. What results do you seek?5. What is...Full Article »
Peter Drucker is known as “the Father of Modern Management.” He was certainly different than other management gurus.And by the way, he didn’t like that description of his work. He preferred to be called a “social ecologist,” someone who studies how societies interact and organize themselves. But there is a little more to it.Social ecology was a...Full Article »
Recently the Industrial College of the Armed Forces Association (I’m a 1989 graduate) sent me a newsletter citing an alarming statistic: 40% of new or first time executives are failing or quitting within their first 18 months, according to findings from the Center for Creative Leadership.Now this is not a new problem in either the military or...Full Article »
Every few years, a new supposedly revolutionary management concept gains popularity. And for the most part, after a few years in the limelight, the ideas are rarely used anymore. Where have they gone?  What happened, for example, to McGregor’s Theory X vs. Theory Y and “Participation Management” or the Blake-Mouton Managerial Grid? Are...Full Article »
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