Vaggelis Hatzopoulos and Marianna Koutantou won the Greek Tango Championship of 2011 and the European Tango Championship of 2013 in Tango Salon. They have been engaged in Tango since 2004 and started dancing together as a couple in 2009. They are a couple in life as well and the participate together in numerous events and festivals in Greece and all over the world offering classes and shows. They also run the Academia of Argentine Tango in Greece.
They have followed classes with many important maestros of tango such us Silvio Lavia, Angel Miguel Zotto, Sebastian Jimenez & Maria Ines Bogado, Gabriel Misse, Fernando Gracia & Sol Cerquides, Sebastian Achaval & Roxanna Suarez, Max Van de Voorde & Solange Acosta, Frank Obregon & Jenny Gil, Ariadna Naveira & Fernando Sanchez and many others.