Bob Nelson, PhD, is president of Nelson Motivation Inc. He is considered the leading authority on employee motivation and engagement and has been named a leading senior fellow by the Conference Board, a Top 5 Global Management Guru for 2020 by Global Gurus, and a Top Thought Leader by the Best Practice Institute. He has worked with thousands of organizations, including 80 percent of the Fortune 500, and has conducted presentations on six continents. Mario Tamayo is a principal with Tamayo Group Inc., a San Diego–based consulting firm. He has more than thirty years of experience in human performance and organization development and has been a long-time advocate of enjoyable employment culture and employee recognition.