Jo Owen is a world-renowned corporate coach and speaker on leadership, tribes, global teams, and influence. Owen has launched four national charities, including Teach First, one of the UK’s top five graduate recruiters. He has built a business in Japan, created a bank, served as a partner at Accenture, and worked with 100+ leading organizations around the world. His other books include How to Lead, How to Manage, How to Influence, How to Sell, and Tribal Business School. David M. Levine, Ph.D., Professor Emeritus of Statistics and Computer Information Systems at Bernard M. Baruch College (CUNY), is an honored innovator in statistics education. His best-selling books include Statistics for Managers Using Microsoft Excel, Basic Business Statistics, Quality Management, and Six Sigma for Green Belts and Champions. David F. Stephan is an instructional designer who pioneered the classroom use of personal computers and is a leader in making Excel more accessible to statistics students. He has coauthored several books with David M. Levine. Robert Follett was formerly President of Follett Publishing Company and Vice Chairman of Follett Corporation. Natalie Canavor successfully launched four monthly national magazines for business and professional audiences and directed all communications for New York State’s largest educational agency, where she supervised hundreds of publications and advised leaders on PR strategy. Claire Meirowitz, an award-winning author, has served as project manager and copy editor for leading business, technology, and educational publications ranging from InformationWeek and InternetWeek to Office World News and EdTech for Higher Education; and for publishers including Forbes and The Wall Street Journal. She has managed projects and edited materials for IBM, Microsoft, HP, Intel, Cisco, and other leading companies.