CLINT D. CHRISTENSON, C.E.M., is currently a consultant and instructor providing optimization services for industrial, commercial and institutional customers. He previously served as Senior Buildings Engineer for Pacific Northwest National Laboratories, Senior Energy Engineer with NORESCO, Inc., and the Director of Advanced Solutions for Johnson Controls, Inc. Clint served as the Director of Oklahoma State University's Industrial Assessment Center while pursuing a Ph.D. His broad experience in energy management has included the conducting of over 150 industrial, commercial, and institutional energy surveys over 20 years. He has published widely in the energy field, and made numerous presentations at national and international conferences.