Lean Innovation is built on accelerating learning by testing hypotheses quickly and iterating. On the surface, it seems at odds with the deliberative nature of DA. However, DA tools provide an ideal framework for prototyping strategic and economic issues, identifying which topics most need testing and focusing creative energy where it matters. The results can be dramatic, for example, HP used this approach to help start a business that grew to $500M. In this workshop, we will cover how familiar tools can be used effectively in this unfamiliar area.