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Word slinger, bug fixer, and operator.
Create your own custom podcast feed and listen to Commoncog cases whilst on the go.
A look at how Four Seasons founder Isadore Sharp learnt to handle recessions in one of the most cyclical industries known to man.
As a business, how do you deal with disruption — technological or otherwise? Some patterns from a collection of case studies.
Why do TDGs — developed for the US Marine Corps — accelerate expertise? How do they do it, and why do they work so well?
Commoncog is increasing membership prices on 1st September 2026. If you’d like to lock in the old prices, you should probably sign up before then.
Announcing a new series about people and businesses handling disruption well (or badly). Why are we doing this? Well, that’s hopefully going to be obvious to you.
Aug 13 2026 9am-12pm CDT / 10pm-12am SGT. A live tactical decision game with the creator of Tactical Decision Games, John Schmitt. TDGs are an accelerated expertise training format developed for the US Marines. Schmitt has kindly agreed to run a TDG and to take questions from the membership.
Building a moat is the difference between having fun with business, vs eating glass all day, every day, for years. This is how moats are actually built.
Also: the quartz crisis isn’t really about quartz at all. A sensemaking exercise for those who want to get better at making sense of possible AI disruption.
Some notes on a series of members-only workshops on Eliyahu Goldratt’s Thinking Tools, presented by Roger Williams.