Bill Kastle is a senior executive at Accenture and has helped guide Lean Six Sigma initiatives at major corporations. He is co-author of the book What Is Lean Six Sigma? (McGraw-Hill, 2003). He has conducted executive training at Fortune 500 companies such as Alcan, Geico, Xerox, ITT Industries and Eli Lilly. For more than 20 years, he has helped teams at all levels apply Lean and Six Sigma tools to respond to their customer needs.