The Giannakopoulos family has a combined estimated net worth as per their collective €1 billion business empire.
[1] Vianex currently manufactures and markets, in Greece and elsewhere, a variety of products, in collaboration with leading international firms.
[citation needed] In 2011, Thanasis and his brother Pavlos, won the EuroLeague Club Executive of the Year Award.
[3] In 2012, Thanasis' nephew, Dimitrios Giannakopoulos, the son of his brother, Pavlos, took over control of Panathinaikos B.C.
[citation needed] Nicknamed as typhoon (tifonas) for his emotional character, Giannakopolous was also famous for his multi-coloured neckties with floral patterns.