…Sarah Edrie, and Brad Jackson. Don Reinertsen provided permission to use elements of Principles of Product Development Flow. Thanks to my Finnish collaborators Juha-Markus Aalto, Maarit Laanti, Santeri Kangas, Gabor…

While you may ignore economics, it won’t ignore you. —Don Reinertsen, Principles of Product Development Flow Principle #1 – Take an economic view Realizing the goal of Lean—achieving the shortest…

If you only quantify one thing, quantify the Cost of Delay. —Don Reinertsen Weighted Shortest Job First Weighted Shortest Job First (WSJF) is a prioritization model used to sequence work…

…software, product, and systems development are now deep and extensive [5]. For example, Ward [6], Reinertsen [7], Poppendieck [8], Kersten [9], Leffingwell [10], and others have described aspects of Lean…

The more detailed we made our plans, the longer our cycle times became. —Don Reinertsen Create the Implementation Plan This is article seven in the SAFe® Implementation Roadmap series. Click…

…primarily model-based or paper-prototypes. (Note: Reinertsen points out that maintaining various design options is a type of u-curve optimization, and sometimes the optimum number of choices is one. [3]) However,…

…decision. Simply put, the decision-maker can take a ‘centralized decision’ on behalf of those below them in the chain or ‘decentralize the decision’ to a level below. Reinertsen [4] emphasizes…

…value – In the pursuit of efficiency, everyone is assigned to 100% capacity, often to multiple projects. However, Reinertsen notes that “operating a product development process near full utilization is…

100% utilization drives unpredictability. —Don Reinertsen Innovation and Planning Iteration The Innovation and Planning (IP) Iteration is a unique, dedicated iteration that occurs every PI. It provides an estimating buffer…

…guidance on applying set-based design to fixed schedule commitments, planning impact, and economic trade-offs, read the Set-Based Design article and the Enterprise Solution Delivery competency articles.) Learn More [1] Reinertsen,…