2012 when it started at san francisco general hospital, and then spread to primary care, population health division, environmental health, and laguna honda, and now mch. it is rapidly now being introduced to behavioral health services. so well there are several tools and documents in the lean library, the two primary drivers of an organization's implementation of lean our true north and the exmatrix which you see depicted here. true north can best be described as a precise, concise, and universal set of ideals which, when taken together, provide a compass it that describes the ideal or state perfection that a business should be continually striving towards. true north should involve both our head and our heart and considering both, the strategic hard goals and defined business targets, as well as tightly held beliefs as to our organizational purpose and values. true north pillars, would you see depicted here, safety and security, health impacts, service experience, workforce, financial stewardship and equity are meant to be consistent over time and over a multiyear period and should not change very often contrasting that to the matrix. t