Yannis has a background in accounting and financial services. An IPT, VAT and tax specialist, he is a certified accountant and member of the Economic Chamber of Greece. Prior to it becoming TMF Hellas in 2015, Yannis led his own accounting firm, Goussiakis & Partners, providing tax, accounting, payroll, VAT and IPT compliance services to individuals, local and foreign multinational entities. Yannis graduated in economics from the Panteion University of Athens in 1998.