Tamas Giorgadse was a chess prodigy who survived civil war and hyperinflation. He finished school aged 12, and completed his masters three years later. He moved to Germany, gained two PhDs and went to work for McKinsey. Next, he co-founded Raisin, Europe’s leading platform for savings and investments. Already a unicorn, the fintech recently announced a merger with domestic rival Deposit Solutions, to create Raisin DS.