Bill Waddell is a global supply-chain expert, one of the original lean accounting thought leaders. He has served as a technical chairman for various manufacturing quality forums and is regarded as a leading expert in lean manufacturing. Waddell is the author of Simple Excellence (Productivity Press, 2010) and Rebirth of American Industry (PCS Press, 2005), among other books, and is the most widely read manufacturing blogger on the Internet. Read more at his blog, Evolving Excellence.