is former Deputy Prime Minister and Minister of Finance of the Slovak Republic (2002- 2006, 2010-2012), Deputy Prime Minister for Economics (1998-2002), and Minister of Privatization (1991-1992). He co-founded and led the economic think tank MESA10 (1992-1998). Between 2006-2010 and 2012-2016, he was a Member of Parliament. In 2014, he was reappointed as President of MESA10 and became a Member of the International Advisory Board of the National Reform Council of Ukraine and the platform Vox Ukraine. During 2015-2016, he served as Chief Advisor to the Minister of Finance of Ukraine and as an Advisor to the Minister of Economic Development and Trade of Ukraine. He served as Chief Economic Advisor to the Prime Minister of Ukraine from April 2016 to August 2019. He is Chairman of the Strategic Advisory Group for Support of Ukrainian Reforms (SAGSUR) and Co-Founder of the Ukrainian economic think tank Centre for Economic Strategy.