Dee ihe na-esote paragraf a - Na EuroBasket 2007, Giannakis duziri Gris ka ọ nọrọ n'ọnọdụ nke anọ. Na 2008 Beijing Summer Olympics
, o duziri Gris ruo n'ọkwa nke ise. N'ọnwa Disemba 2008, Giannakis kwụsịrị ọrụ ya dị ka onye isi nchịkwa nke otu egwuregwu mba Gris. Onye nọchiri ya n'ọrụ ahụ bụ Jonas Kazlauskas.