What is an Interference Diagram?

The Interference Diagram (ID) is a relatively simple tool to help surface, value and sort out interferences, Undesirable Effects or obstacles usually described as “problems”. The ID found its place within the Theory of Constraints Logical Thinking toolbox, but “Unlike the other thinking tools the ID is not based on logic, but rather on intuition(1)”. … Continue reading What is an Interference Diagram?

What is TLS? The Synergy of ToC, Lean and SixSigma

TLS stands for Theory of Constraints, Lean and Six Sigma. TLS is meant to be the combination of 2 or all of these… philosophies, approaches, methodologies, you name them. I discovered Lean (but we didn’t call it Lean then) and Theory of Constraints at the same time, when I joined a Yamaha Corp. subsidiary in … Continue reading What is TLS? The Synergy of ToC, Lean and SixSigma