Category Archives: lean

Flow Efficiency

What percentage of your team’s time is actually spent working on the items that are ‘in progress’? 70%? 75%? 80%? Some suggest that it is as low as 2% and that 40% is the most that’s been observed. This is the world of flow efficiency. Originating from the manufacturing industry, flow efficiency measures the percentage… Read More »

Theory of Constraints

The definition of constraint in English: NOUN A limitation or restriction ( The systems that we work in often face limitations or restrictions. These can stop us efficiently reaching our goals.   What is the Theory of Constraints? The Theory of Constraints, created by Eliyahu M. Goldratt and illustrated in his book The Goal, is a… Read More »

Life and Death Kanban

Imagine working in a hospital and accidentally injecting someone with the wrong thing (a toxic antiseptic instead of a harmless dye). Over the next three weeks, as a result of your mistake, they slowly die. This was the fate of a “much loved mother-of-four”, Mary McClinton, in a Seattle hospital in 2004 when the two… Read More »