Management attention as a constraint – Part 1/2

A system’s constraint, the limiting factor that is an obstacle to getting more Goal units* from the system, can be pretty difficult to identify (hence the success of my post on the topic: How to identify a constraint?!). *”Goal units” can be money, profit, services to citizens, number of patients treated, free meals served, or whatever … Continue reading Management attention as a constraint – Part 1/2

The fallacy of maturity assessments

Maturity assessments are a kind of qualitative audit during which the current “maturity” of an organization is compared to a maturity reference model and ranked accordingly to its score. As explained in the wikipedia article about maturity model (https://en.wikipedia.org/wiki/Maturity_model), the implementation is either top-down or bottom-up, but from my experience it is mostly top-down. The … Continue reading The fallacy of maturity assessments

What keeps TOC confidential? (and me angry)

It is one of the frustrations for Theory of Constraints (TOC) enthusiasts: why is their beloved business philosophy so barely known? No other, neither Lean nor Six Sigma had such a visible high-flying banner like “The Goal”, the (probably) first business novel*, sold over 6 million copies so far. If readers have been so many … Continue reading What keeps TOC confidential? (and me angry)

Bill Dettmer and Philip Marris discuss various aspects of the Theory of Constraints

I was fortunate to propose parts of this discussion to Bill Dettmer and Philip Marris, in November 2014 in Paris, and to record as they discussed. Among the topics: how the name “Theory of Constraints” generates rejection in the business community. The term “constraints management” is preferred by Bill Dettmer and Philip Marris. Philip points out problem … Continue reading Bill Dettmer and Philip Marris discuss various aspects of the Theory of Constraints

Video interviews with Bill Dettmer: LTP training participant’s testimony

Erik Mano co-Director of Marco Tech and Philip Marris CEO of Marris Consulting discuss Bill Dettmer’s Logical Thinking Process. Erik Mano describes how he became interested in The Logical Thinking Process (LTP): his ambition to improve the performance of his company. Discovering Eliyahu Goldratt’s business novel “The Goal” and the hidden thinking processes it this … Continue reading Video interviews with Bill Dettmer: LTP training participant’s testimony

Conflict Resolution Diagram / Evaporating Cloud

The Conflict Resolution Diagram (CRD), also known as Evaporating Cloud (EC) or simply ‘Cloud’, is a necessity-logic based tool from Theory of Constraints’ Thinking Processes. As the name tells, the Conflict Resolution Diagram is used to surface and resolve conflicts, e.g. dilemmas. Conflicts, which can be named ‘different points of view’ are not always obvious, … Continue reading Conflict Resolution Diagram / Evaporating Cloud

Theory of Constraints

Theory of Constraints (ToC) in a nutshell Theory of Constraints is often explained using the chain and weakest link metaphor: an organization, system, company, workshop or process can be seen as a chain made of various links, like departments in a company. The success or performance of the whole is limited by its weakest link, … Continue reading Theory of Constraints