William J. Rothwell, Ph.D., SPHR, SHRM-SCP, CPLP Fellow is a Professor in the Workforce Education and Development program, Department of Learning and Performance Systems, at The Pennsylvania State University, University Park campus. He is also President of his own consulting firms—Rothwell & Associates, Inc. and Rothwell & Associates, LLC. He has authored, co-authored, edited, or co-edited 300 books, book chapters, and articles—including 111 books. Before arriving at Penn State in 1993, he had nearly 20 years of work experience as a Training Director in government and in business.