Beware of bottleneck hunting!

In the following video interview, Philip Marris (answering Clarke Ching‘s questions) states that the five focusing steps of Theory of Constraints are wrong!

Well it needs some more listening  to understand the wisdom behind the provocative statement.

First, the five focusing steps (5FS) are basically ok. What bothers Philip is the fifth step after the first iteration.

In his view, accepting to go through the 5FS over and over is just bottleneck hunting and accepting the fact that the organization’s “strategy” is defined by the newest or the next bottleneck.

Philip is advocating to select the most suitable bottleneck, in order to keep mastering it, and surround this bottleneck with excess capacity resources. In this way, the bottleneck remains in one’s span of control, instead of moving upstreams to a supplier or to market’s demand, and keeps at the same point for a longer period of time.

If the 5FS are taken literally, this could lead to an exhausting periodic rearrangement around a new bottleneck, reshuffling the cards regarding strategy, sales, operations and so on.

Organisations need stability, especially factories. Therefore, this approach works well in operations.


Check out Marris-Consulting Youtube Channel for more


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