Barry Trailer is a managing partner and co-founder of CSO Insights, a sales effectiveness research and benchmarking firm. In addition to more than thirty years of professional selling experience, Barry has been president of Miller-Heiman, a respected sales training firm, and Goldmine, a well-known CRM application. Barry has conducted seminars with hundreds of companies, including HP, Sun Microsystems, Oracle, and Hitachi Data Systems. He has been a keynote speaker at dozens of sales events presenting Sales Mastery. In addition, Barry has been a regular contributor to CRM magazine, CustomerThink.com and, has been twice published in the Harvard Business Review. With Jim Dickie, he co-authored, The Sales & Marketing Excellence Challenge, and is author of the novel Sales Mastery.