Mark Blessington

Mark Blessington is a highly experienced sales and marketing consultant, and has worked for many of the world's largest corporations. Mark's current passion is to extend the use of quantitative methods within the sales and marketing functions. Prior to his latest book on forecast aggregation, he wrote a sales forecasting book and the first book on quota setting. He has authored numerous articles and online training courses. To learn more, go to www.markblessington.com