W. Joseph is professor emeritus at Marshall University in West Virginia. He received his doctorate in clinical psychology from West Virginia University. Prior to his years as a full-time faculty member, Dr. Wyatt was in full-time clinical practice for more than 10 years. He is the author of numerous presentations at the meeting of the Association for Behavior Analysis International and other meetings and is the author of many publications. For more than 20 years, he published and edited Behavior Analysis Digest International. He is board-certified in forensic psychology and has provided expert testimony more than 100 times.