Michael A. Catalano, M.D., C.L.C., is Director of the Center for Fitness Medicine and Health Checks Medical Services in Boulder, Colorado. A leading national expert in the field of sports medicine and rheumatology, Dr. Catalano serves also as a consultant in drug development to the pharmaceutical industry. He has received multiple awards, including those from the National Institutes for Health, and to date has published 40 articles in related scientific and clinical journals.

     Harry L. Greene, M.D., is an international leader in human nutrition with more than 200 original publications in peer-reviewed journals and book chapters. After serving as Professor of Pediatrics and Biochemistry and Chief of Pediatric Gastroenterology at Vanderbilt Center for 18 years, he joined BMS Mead Johnson as Senior Director of Research and became Medical Director and Vice President of Slim•Fast Foods Company in 1996. His primary goal is to help reverse the trend of obesity in the U.S. through self-help programs and meal replacements. Dr. Greene has served on many national committees on nutrition, NIH study sections, and is past president of the American Society of Clinical Nutrition and the North American Society of Pediatric Gastroenterology and Nutrition.

     David L. Hager has an undergraduate degree in accounting, a MBA from the Wharton Business School of the University of Pennsylvania, a Ph.D. in business administration and a Ph.D. in psychology. He is a Certified Public Accountant, a Certified Personal Trainer, a Certified LifeStyle Counselor? with certification in Weight and Stress Management, and a Certified Scuba Diving Instructor.

     Dr. Hager is Publisher and co-founder of American Health Publishing Company, Dallas, Texas, and the Executive Director of The LEARN® Institute for Lifestyle Management. He is also the founder and current President of the American Association of LifeStyle Counselors. Dr. Hager is a member of the North American Association for the Study of Obesity (NAASO), the American Obesity Association (AOA), the American Marketing Association (AMA), and the Professional Association of Diving Instructors (PADI). He has received the Outstanding Performance award from the Texas Department of Health for his work in stress management. Through his work in the field for more than 13 years, Dr. Hager has come to have a unique understanding and sensitivity to the issues that face health professionals working with clients in the process of lifestyle change, especially weight and stress management. His work is devoted to bringing science and its practical application to the general public.

Leslie C. Reisner, Ph.D., C.L.C.

     Leslie C. Reisner, Ph.D., C.L.C., is a clinical psychologist in private practice in Los Angeles, California. Dr. Reisner is one of the West Coast's leading experts in Rational Emotive Behavior Therapy, a form of brief cognitive-behavioral psychotherapy. She received her training in REBT at the world renowned Institute for Rational Emotive Behavior Therapy in New York City, under the direct supervision of Dr. Albert Ellis, the founder of REBT. Dr. Reisner teaches continuing education courses in stress management at UCLA and Phillip's Graduate Institute while consulting professional groups throughout the Los Angeles area.

Claire E. Zane, Ph.D., R.D., L.D., C.L.C.

     Claire E. Zane, Ph.D., R.D., L.D., C.L.C., is a private practitioner specializing in nutrition care, weight control, hyperlip- idemias, eating disorders, and health and wellness counseling. She also provides strategic planning to physicians in private practices, to develop comprehensive medical nutritional services to enhance the quality of patient care.