Problem solving: what was the last change?

This post could be a sequel of “Yeah, problem solving” in which I used Peter Senge’s quote: “Today’s problems come from yesterday’s solutions”. Quite often people we consultants meet are puzzled by a problem they can’t understand: a reliable process or machine suddenly seems out of control, steady performance dropped unexpectedly and with no apparent … Continue reading Problem solving: what was the last change?

Redefining “problem” (with Goal in mind)

In problem solving or continuous improvement workshops a problem is usually defined as a gap between the actual situation and the desired situation, and thus a problem causes an unsatisfactory situation or an UnDesirable Effect (UDE). This definition, while true, is somewhat too vague to be useful when working on solving problems and continuous improvement. … Continue reading Redefining “problem” (with Goal in mind)

How to identify the constraint of a system? Part 4

Since the publishing of early books on Theory of Constraints, the world grew more complex and the system’s constraint got more and more elusive. Globalization and extended supply chains give a constraint opportunity to settle literally anywhere in the world and extend its nature. It can be a physical transformation process in a supplier’s facility, … Continue reading How to identify the constraint of a system? Part 4

Continuous Improvement: Prevent frustrations related to the S curve

When implementing some solutions, like in continuous improvement, project managers better take care about the frustrations related to the S curve. The “S curve” is the shape of the performance curve over time. It describes a latency (t1) before the performance p1 takes off after the improvements have been implemented, then a more or less … Continue reading Continuous Improvement: Prevent frustrations related to the S curve

Could Six Sigma have more harmed than helped?

I started my career in the heyday of Total Quality Management (TQM) in France, beginning of the 1980’s and witnessed over the following years how the TQM trainings and deployments built a quality-aware culture in the companies and spread to everyday’s life. Over time though, other “Japanese Methods” became fashionable and the hype was on … Continue reading Could Six Sigma have more harmed than helped?

The fallacy of bottom-up Lean initiatives – Part 1

Yes, Lean initiatives can be started bottom-up, but I doubt they’ll get very far and last for long. Here is why. Bottom-up Lean initiatives, e.i. improvements, are opportunities for improvement found by shopfloor people, line leaders or shop management. “Improvement” is most often understood in a broad meaning and bring up suggestions ranging from make … Continue reading The fallacy of bottom-up Lean initiatives – Part 1

Bill Dettmer and David Poveda share views about planning

David Poveda is a Colombia-based consultant, Owner and  Director of FLOWING Consultoria. David is well-known for his successful implementations of Theory of Constraints (ToC) and Lean-based solutions, and his expertise about Demand Driven MRP (DDMRP). Just before the Logical Thinking Process training in Paris, in June 2016, he paid a visit to Marris Consulting and met … Continue reading Bill Dettmer and David Poveda share views about planning