Yup. He's the guy who told the rest of Europe that Greece shouldn't have to pay back their bailout loans. You know, the ones other countries have paid with their own taxes. That's a great way to get very popular in your own country, and being hated by the rest of the continent.
The island home might be a result of his time at Valve (the company that has the biggest share of pc game distribution, Steam - which takes a 30% cut on all sales). I don't think it was funded by people's tax money.