Constantine Michalos was born in 1960, studied Finance and Political Science at the University of Essex in Great Britain, and pursued postgraduate studies on financial applications at the London School of Economics & Political Science.

He has been President of the Union of Hellenic Chambers of Commerce since March 2012 (re-elected in February 2018), and President of the Athens Chamber of Commerce and Industry since 2006 (re-elected in December 2017).

Since 1988 he has been the Chairman and Chief Executive Officer of SWAN SA, an industrial-exporting company based in Kryoneri, Attica, as well as the Managing Director of K. MICHALOS & Co, a food trading company.

From 1998 to 2005 he was an elected member of the Board of the ACCI, holding the position of Treasurer during 1998-2002.

From 2002 to 2005 he was an elected member in, and the Vice-Chairman of, the Board of Directors of the Arab-Hellenic Chamber of Commerce and Development, while he was also President of the Association of North Attica Enterprises.

From 2005 to 2006 he was the Secretary General of the Ministry of Economy & Finance.

From 2007 to 2009 he was a member of the Board of Directors of the Public Power Corporation.

From 2009 to 2010 he was a member of the Board of Directors of the Hellenic Telecommunications Organisation (OTE).

From 2012 to 2015 he was a member of the Board of Directors of the Athens International Airport (AIA).

From 2012 to 2017 he was a member of the Board of Directors of ASTIR PALACE SA.

From 2015 to 2020 he was a member of the Board of Directors of the Hellenic Recycling Agency (HRA).

In October 2013 he was re-elected as Vice-President of Eurochambres, and President of the Association of Balkan Chambers. Since June 2014 he has been Deputy President of Eurochambres (re-elected in October 2017).

Constantine Michalos is married with four children, and speaks English and French.