About the Author
Darby Checketts
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Darby grew up on a small ranch in South Phoenix, Arizona. He and Sharon are the parents of seven fantastic children: Natalie, Vance, Denise, Cheryl, Ken, Brent, and Matt. Together with their business partners, Darby and Sharon expound the principles of Customer Astonishment, Leverage for Leadership in Business and Success in Life, and now, the timeless principles of Positive Conflict. Darby is president of Cornerstone Professional Development, which he founded in 1985. He also serves as its principal consultant and client coach. He has worked with hundreds of organizations, large and small, around the globe. Millions ...

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