Karl’s work is well published in the marketing world. His most recent book, The Customer Learning Curve, was co-authored with Ardis Burst. Karl’s astuteness and humor quickly engage his clients and audiences, and he is a sought-after speaker and guest lecturer. He has been a guest teacher and speaker in corporate settings, as well as at a number of colleges and universities.
Karl founded Resultrek, a global management consulting firm dedicated to creating great marketers and sellers. In his practice, he incorporates the principles and best practices outlined in The Customer Learning Curve, his dissertation, and other writings to help marketers collaborate with sales, operations, and customers to create and capture value.
Karl’s clients include international best-in-class companies such as JP Morgan Chase
, Wells Fargo, UPS, and Coca Cola.
Karl earned his M.S. in Managerial Economics and Decision Sciences from the Kellogg School of Management at Northwestern University. He earned his Doctorate in Business Administration from Georgia State University, where his dissertation topic was “Optimizing Investment in Different Levels of Key Account Relationships.”