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Stephan Schiffman

Stephan Schiffman is the founder of D.E.I. Management Group, which has become one of the nation's fastest growing sales training organizations. Since 1979, D.E.I has trained more than half a million professionals through seminars, workshops, and lectures. He is a...

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Books by Stephan Schiffman

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Mastering Your Ke...
Schiffman, Stephan
Electronic book text: $29.90

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The 25 Sales Skil...
Schiffman, Stephan
CD-Audio: $9.99

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Make It Your Busi...
Schiffman, Stephan
Hardback: $24.00

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High-Efficiency S...
Schiffman, Stephan
Paperback: $19.95

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The Consultant's ...
Schiffman, Stephan
Paperback: $12.95

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Asking Questions,...
Schiffman, Stephan
CD-Audio: $14.97

Book Cover

Make It Happen Be...
Schiffman, Stephan
Electronic book text: $16.95

Book Cover

Cold Calling Tech...
Schiffman, Stephan
CD-Audio: $9.99

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The 25 Sales Secr...
Schiffman, Stephan
Audio cassette: $25.00

Book Cover

Cold Calling Tech...
Schiffman, Stephan
Paperback: $7.95

Book Cover

The Career Salesp...
Schiffman, Stephan
Paperback:

Book Cover

The 25 Most Commo...
Schiffman, Stephan
Paperback: $6.95