Yanis Varoufakis served as Minister of Finance of Greece in 2015. He taught economics and econometrics at the University of Essex and University of East Anglia. In 1988, he spent a year as a Fellow at the University of Cambridge. From 1989 to 2000 he taught as senior lecturer in economics at the Department of Economics of the University of Sydney and in 2000 he accepted the offer to become Professor of Economic Theory at the University of Athens.
From 2004 to 2006, Yanis served as economic advisor to George Papandreou, then Leader of the Opposition from 2004 to 2006. In 2012 he became Economist-in-Residence at Valve Corporation. He researched the virtual economy on the Steam digital delivery platform, specifically looking at exchange rates and trade deficits. From 2013 to 2014 he taught at the Lyndon B. Johnson School of Public Affairs at the University of Texas as a visiting professor.
On 25 January 2015, Yanis was appointed Finance Minister by Prime Minister, Alexis Tsipras after the election victory of Syriza in the parliamentary election. Varoufakis resigned as Finance Minister on 6 July 2015.
Yanis has written several books on game theory, microeconomics and macroeconomics. He first studied economics at the University of Essex and went on to do mathematical statistics at the University of Birmingham. He has a PhD in economics.