Jay Arthur, The KnowWare Man, works with companies that want to boost profits using Lean Six Sigma. He is the author of Lean Six Sigma Demystified and the QI Macros Lean Six Sigma software for Excel, which is used by more than 3,000 hospitals. Jay has worked with Tenet Healthcare, Kindred Healthcare, Centura Healthcare, and Christus Healthcare on projects to improve patient flow and reduce clinical and operational errors.