The secrets of breakout selling! Using his thirty years of experience training corporate sales forces, Stephan Schiffman has put together a collection of the most essential techniques for succeeding i
“Stephan Schiffman can make a believer, and a winner, out of almost anyone!”—Ken and Daria Dolan, former hosts of CNN’s Dolans UnscriptedAll great salespeople have one skill in common: They know how t
Sales secrets from America's #1 sales trainer and author of the world's top selling sales booksTeaches sales professionals and trainers how to market services such as accounting, legal advice, human r
"The only goal you cannot achieve is the one you have not yet recognized." More than twenty years ago, entrepreneur Stephan Schiffman launched his own business -- D.E.I. Management Group Inc. -- and