Tulis a continuation for this paragraph - Demko meunang medali pérak salaku anggota timnas U.S. under-18 di 2013 IIHF World U18 Championships
. tapi Anjeunna ogé anggota timnas junior AS dina 2014 IIHF World Junior Championship, sarta mangrupa cadangan pikeun sasama Goalkeeper Hockey East Jon Gillies of Providence.