The ‘20% rule’ behind Giorgos Tsetis’ blueprint for a new kind of family officeFamily offices are built to be patient with their money. Giorgos Tsetis is not.{}

Family offices are built to be patient with their money. Giorgos Tsetis is not.https://www.cnbc.com/2026/08/13/family-office-giorgos-tsetis-nutrafol.html