Ioannis Georgiou "Yanis" Varoufakis is a Greek economist and politician. Since 2018, he has been Secretary-General of Democracy in Europe Movement 2025 (DiEM25), a left-wing pan-European political party he co-founded in 2016. Previously, he was a member of Syriza and was Greece's Minister of Finance between January 2015 and July 2015, negotiating on behalf of the Greek government during the 2009–2018 Greek government-debt crisis.