Rubuta ci gaba don wannan sakin layi - Demko ya lashe lambar azurfa a matsayin memba na kungiyar 'yan kasa da kasa ta Amurka a gasar zakarun duniya na 2013 na IIHF
Ka yi haƙuri. Ya kuma kasance memba na ƙungiyar matasa ta Amurka a cikin gasar zakarun duniya ta 2014 IIHF, kuma ya kasance mai goyon baya ga ɗan wasan Hockey East mai tsaron gida Jon Gillies na Providence.