Family Capital Blog

On family office, wealth structures, and how great fortunes were built

Strategy and Competition

The same chapter from every series, so you can compare how each fortune was built. Other posts on the topic follow.

Rockefeller (Part 3 of 5), Strategy: Own the Bottleneck, Not the Product

Series · Rockefeller · United States

Why Rockefeller stayed out of drilling, took refining and transport, and what it cost him in the end.

Onassis (Part 3 of 5), Strategy: Buying at the Bottom, Then Betting on Bigger Tankers

Series · Onassis · Greece, Canada

Six freighters for $20,000 each, then supertankers: buying low, building ahead.

Other posts

Iba Teigo: The Hired Manager Who Saved Sumitomo, Then Left on Time

From History · Japan · 12 October 2026

A century after his death, the salaried manager who moved Sumitomo's smelter to an island, replanted its mountains, helped found its bank and retired at 58.

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