Kammala jumla mai zuwa: Athinaiou ya kasance memba ne na ƙungiyar ƙwallon ƙafa ta jami'ar Girka. Ya taka leda a Wasannin Jami'o'in Duniya na 2007. Har ila yau, ya kasance memba na manyan 'yan wasan kwallon kwando na Girka. Ya buga wa Girka wasa a gasar cin kofin duniya.
2016 Turin FIBA Gasar Kwalejin Gasar Olympics ta Duniya. Ya kuma taka leda a wasannin neman shiga gasar cin kofin duniya ta FIBA ta 2019, inda ya yi nasarar cin kwallaye 3 a kan Burtaniya.