L. Lavon Gray, Ph.D.
Lead Consultant at Lavon Gray Consulting Group

as seen in Forbes.com

As I nervously sat in my first graduate school class, the professor distributed a required reading list that included Carnegie’s classic. That was more than 30 years ago, but the principles in Carnegie’s book continue to play a central role in all aspects of my life. In fact, I’ve reread the book every year since being intr