The ‘20% rule’ behind Giorgos Tsetis’ blueprint for a new kind of family office

Giorgos Tsetis operates a family office with a different investment approach than traditional family offices, which typically take longer-term views on capital allocation. Tsetis has established what he calls a "20% rule" as part of his investment strategy, though the original text does not specify the details of this rule or how it functions within his family office operations.

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