2 Quotes & Sayings By Jerry Hirschfield

Jerry Hirschfield is a leading authority on the study of human behavior and on leadership. He has founded over forty companies, including the International Coach Federation, the Learning Company, and Interval Research Corporation. He has also authored more than twenty books, including How to Become a Great Leader, The Power of Positive Thinking, The Power of Positive Management, Power! Power! Power!, and Success Through Self-Esteem.