Based on groundbreaking research of over ten thousand business units, Jack developed the High Performance Model, which demonstrates the link among employee opinions, customer loyalty, and business performance. Previously, Jack was director of organizational research at Control Data (now Ceridian) and held personnel research consulting positions at National Bank of Detroit and Ford Motor Company. He has written several articles and book chapters on survey research topics and has made numerous presentations to professional associations worldwide. Jack was appointed to Minnesota Governor Pawlenty's Workforce Development Council in 2004. He is a licensed psychologist and an accredited senior professional in human resources, and he received his Ph.D. in organizational psychology from the University of Tennessee.