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Mark Blessington

About Mark Blessington


Mark is the editor of Sales Insights. He is a highly experienced sales and marketing consultant and has published four books and over 50 articles. Mark has served many of the world’s largest corporations, including Pfizer, GlaxoSmithKline, American Express, Allstate, Nationwide, GE, AT&T, Verizon, Nestlé, PepsiCo, and Kellog’s. Prior to co-founding Consentric Marketing, Mark had his own firm and was a consultant at Sibson Consulting. At Sibson, he was a board member and sales effectiveness practice leader for most of his 17 years there. Mark currently resides in Tucson, AZ.

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