This is an individual chapter of Theory of Constraints Handbook. This chapter provides an understanding of the difficulties in equating Lean Six Sigma to the project environment and the required translation and applicable strategies of LSS to the project environment. Showing Lean Project Management equals TOC Project Management. The chapter will supply a little background on Lean and Six Sigma separately and then jointly. It will discuss the barriers to straight using the strategies and meanings obtained in manufacturing to the project environment. It will show the translations to the project environment and the application of strategies to speed circulation; provide value; and reduce waste.