Douglas Walker, MS, is cofounder of A-HA! Performance Solutions, cre-ator of the A-HA! Performance Model, a highly regarded manager and sought after keynote speaker, trainer, executive coach, human capital management consultant, executive career advisor, and leading expert in intrinsic motivation management. He teaches A-HA! at SDSU and UCSD and served as senior faculty at the William Glasser Institute and as the Managing Consultant of the San Diego office of DBM, an international leader in transition services.

Stephen Sorkin, MBA, is cofounder of A-HA! Performance Solutions, focusing on business development and marketing, while also involved with developing and delivering A-HA! Performance products and services. He has repeatedly commercialized and developed ideas into globally competing businesses, including award-winning and industry standard–setting human capital management solutions.