Yannis Mastrogeorgiou was born in Athens. He has studied history, international relations, journalism and European studies. Yannis has worked in the advertising industry, has expertise on political communication and has been Communications Director of the Ministry of Education and Chief of staff of a Greek MP. Since June 2013 he is Director of DIKTIO.

Also he has attended the German Marshall Fund Memorial Fellowship for emerging leaders, from Europe in 2012.