He teaches program evaluation and human performance technology and directs doctoral dissertations. He is co-author of five books, three of which have won ISPI Awards for Excellence in Instructional Communication. He is a frequent contributor to Pfeiffer/Wiley publications including the Pfeiffer Annuals. He has won numerous awards for teaching and mentoring and frequently consults with business, industry, and health care on program evaluation and human performance. His new area of interest focuses on older worker and older learner issues.