End of 2014, early 2015, Christoph Roser wrote an interesting series of posts about leveling and heijunka that already triggered me at the time, as I have personally been involved in many leveling, pull flow, kanban and EPEI initiatives during my career. And although in many cases I can align myself with Christoph’s views, in some aspects I don’t think his posts have done justice to the way in which leveling, pull, EPEI and the one-piece flow ambition can actually work together. Only recently, however, I have taken the time to put my thoughts on paper. Bear with me, as this post is more technical and longer than my typical posts. (more…)