Constructivism at the Gemba – Harish Jose

Harish's Notebook - My notes... Lean, Cybernetics, Quality & Data Science.


Gemba is one of the most emphasized words in Toyota Production System and Lean. Gemba is where the real action takes place, where one should go to gather the facts. As I ventured into Systems Thinking and Cybernetics, especially the teachings of Heinz von Foerster, it gave me a chance to reflect upon ‘gemba’. Often, we talk about gemba being an objective reality existing independent of us, and one which we can understand if we spend enough time in it. What I have come to realize is that the question of whether an objective reality exists is not the right one to ask. For me, the important question is not whether there is a reality (ontology), but how do you come to know that which we refer to as reality (epistemology).

I will start off with the famous aphorism of West Churchman, a key Systems Thinker:

“A systems approach begins…

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