Stephan Schiffman, former president of D.E.I. Franchise Systems, Inc., one of the largest sales training companies in the United States, is the author of a number of bestselling books. These include Cold Calling Techniques (That Really Work!), Closing Techniques (That Really Work!), The 25 Most Common Sales Mistakes, The 25 Habits of Highly Successful Salespeople, and Selling When No One Is Buying. His articles have appeared in TheWall Street Journal, TheNew York Times, and INC. magazine. He has appeared as a guest on CNBC, CBN, CNN, and Fox News. He lives in New York City.
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