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McDermott Professional Solutions, Inc. | Twinsburg, OH

David H. Mattson

Chief Executive Officer and President of the Sandler organization

CEO and President of Sandler worldwide headquarters

Dave Mattson oversees the corporate direction and strategy for the company’s global operations including sales, marketing, consulting, alliances and support. His key areas of focus are sales leadership, strategy and client satisfaction.

Under Mattson's leadership, the Sandler organization expanded domestically and internationally to over 250 offices in 27 countries around the world. He added numerous program offerings to Sandler’s training portfolio, including Enterprise Selling, Leadership, and Customer Service programs, along with Sandler Certification, the first measurable, skills-based sales certification in the industry.

Best-Selling Author

Dave Mattson has written four books, two of which—The Sandler Rules and Sandler Success Principles—were Amazon and Wall Street Journal best sellers. He also wrote Magical People Skills, and Five Minutes with VITO which he co-authored with Tony Parinello.

His most recent book is co-authored with Brian Sullivan and published by McGraw-Hill Education — Sandler Enterprise Selling: Winning and Growing Enterprise Accounts, which addresses selling strategies and tactics in the enterprise business arena.