... inquiry focused on Six Sigma: (1) the place of Six Sigma in the evolution of continuous improvement programs, (2) organization level infrastructure that is critical for institutionalizing Six Sigma, ... of Six Sigma in the evolution of continuous improvement programs, and organization-level infrastructure and project-level practices in Six Sigma programs iii Dedicated to: Sowmya, whose love and ... scope, and therefore the purpose, of continuous improvement programs has expanded in response to changes in organizational environments We trace the evolution of past continuous improvement programs...