Evangelos Venizelos is a Professor of Constitutional Law at the Aristotle University of Thessaloniki and member of the Hellenic Parliament.Since 1993 he has served in ministerial positions in Greece, including Minister for National Defense (2009-2011), Deputy Prime Minister and Minister of Finance (2011-2012), Deputy Prime Minister and Minister of Foreign Affairs (2013-2015). He was the Leader of PASOK from March 2012 to June 2015. Εvangelos Venizelos was the Minister of Finance in Greece during the operation of PSI/OSI in 2011.