# ScALeD [http://scaledprinciples.org/](http://scaledprinciples.org/) ScALeD, or Scaled Agile Lean Development, is a set of guiding principles designed to help organizations effectively scale their agile practices. It emphasizes the importance of excited customers, happy and productive employees, global optimization, supportive leadership, and continuous improvement. The principles were formulated by Christoph Mathis, Markus Gärtner, Stefan Roock, Andreas Schliep, and Peter Beck.