Jack Welch vs Paul O’Neill: Who Wins?

Verdict: Paul O’Neill def. Jack Welch by split decision, 3 rounds to 2. Welch put up numbers O’Neill never touched — and built a model that detonated after he left. O’Neill built one that outlived him. In this ring, the advantage that compounds beats...

Why Do Profitable Companies Stop Growing?

The question, more precisely The incentive that rewards not losing Portfolio drag Orthodoxy calcification So what do you do about it? Which of the three do you have? What changes first? People ask why profitable companies stop growing, and the question contains a...

The 4 Beliefs Your Industry Has Never Tested

1. Stop trying to challenge your assumptions 2. Find the beliefs nobody defends 3. Identify which of the four kinds you have 4. Test whether the belief has a cost 5. Find out where it came from 6. Run the smallest possible experiment 7. Design the test so it can fail...

How to Decide What to Fix First

The first time I had to make this call myself, the list in front of me had eleven items on it and every one was real. A machine that needed replacing, a customer bleeding margin, a planning system nobody trusted, a supplier on terms we could not afford, and seven...

What It Costs to Fix a Business That Works

The business in question Why the standard method does not start here The first move is building a case nobody asked for Where the evidence actually is The three gates you have to pass What to change first when nothing is broken The cost you should expect to pay What...