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At Gapology, our purpose is, "Helping Leaders Achieve Their Greatest Potential." 

Mark Henry Thienes, Founder and CEO of Gapology Institute began his writing career with the flagship book, Gapology, and has since published two more books, IMBAR and Speed of Purpose. These books are designed to help leaders improve their skills and results, and ultimately achieve their greatest potential. 

Visit the Gapology website for more information and to purchase the books.


Identifying and Closing

Performance Gaps


Developing Identity and Mindset

to Drive Behavior, Action, and Results


Defining and Leveraging


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