August 4, 2017 by Dave Mattson in Sales Process
David Mattson is the CEO and President of Sandler Training, an international training and consulting organization headquartered in the North America. Since 1986, he has been a trainer and business consultant for management, sales, interpersonal communication, corporate team building and strategic planning throughout the United States and Europe.
David is the author of the Wall Street Journal bestsellers, The Sandler Rules: 49 Timeless Selling Principles and How to Apply Them and Sandler Success Principles: 11 Insights that will change the way you think and sell. He regularly authors articles for business publications and continues to be involved in the ongoing creation and development of new Sandler training products and programs.
David is the author of the Wall Street Journal bestsellers, The Sandler Rules: 49 Timeless Selling Principles and How to Apply Them and Sandler Success Principles: 11 Insights that will change the way you think and sell. He regularly authors articles for business publications and continues to be involved in the ongoing creation and development of new Sandler training products and programs.
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