Thomas R. Krause, Ph.D ., is chairman and cofounder of Behavioral Science Technology, Inc. (BST), a global safety consulting and solutions firm. He is the author of four books, including Leading with Safety, and has written more than 50 articles on safety systems, culture, and leadership. Dr. Krause, who serves on the editorial board of the Journal of Behavior Analysis in Health, Sports, Fitness and Medicine, is a member of the American Society of Safety Engineers and the American Psychological Association. John H. Hidley, M.D., cofounder of BST, is board certified in neurology and psychiatry. Dr. Hidley, who practiced in the U.S. Air Force and privately, publishes frequently on safety and leadership issues. He has contributed to The Behavior-Based Safety Process, Current Issues in Behavior-Based Safety, and Leading with Safety.