Dr. Bob DeGroot is the president and founder of Sales Training International.

In addition to authoring Psychology for Successful Selling (Branden Publishing Company, 1988), Bob has written over 70 training courses, 50 Web-based training courses and 42 eBooks published on Amazon.com and Barnes & Noble.

His education includes a Bachelor of Arts degree in Psychology and a Master in Education in School Psychology (Texas State University), followed later in life by a Doctorate in Clinical Hypnotherapy from the American Institute of Hypnotherapy (California approved proprietary school).