Stephen Schiffman
Stephan Schiffman has trained more than 500,000 salespeople at such firms as AT&T Information Systems, Chemical Bank, Manufacturer's Hanover Trust, Motorola, and U.S. Health Care. Schiffman is president of D.E.I Management Group and the author of such bestselling books as Cold Calling Techniques (That Really Work!) and Closing Techniques (That Really Work!).
Books Stephen Schiffman has authored
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Cold Calling Techniques (That Really Work!)
by Stephen Schiffman • January 1, 2014 • Business & Money
For more than thirty years, Stephan Schiffman, America's Number 1 corporate sales trainer, has shown millions of salespeople ho...
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