William C. Byham

Bill Byham is the founder and executive chairman of Development Dimensions International (DDI), a globally recognized company specializing in human resource training and consulting. As an Industrial/Organizational Psychologist, he has pioneered numerous significant innovations in human resources. His groundbreaking work includes the development of the assessment center method, behavior-based interviewing, and behavior-modeling techniques for leadership training. Byham's methodologies, detailed in 23 books and over 300 articles, have fundamentally shaped how organizations select and develop talent.