Alexey Demchenko was born in Alma-Ata, Kazakhstan. In 1996 together with his relatives he moved to Kaliningrad (Russia), where started his education. There in 1996 he finished the music school of Shostakovich in class of honored worker of art Sadovskaya Olga. Then he continued education in Kaliningrad music college by the name of Rachmaninov in class of Vladimir Slobodyan, honored artist of Russian Federation.
Later, in 2013 he finished the Tchaikovsky’s Moscow Conservatory in class of honored artist of Russian Federation Irina Osipova.
He took part in master classes such great musicians like Boris Bloch, Dmitri Bashkirov, Dina Yoffe.
1st piano competition by the name of Bluthner (Kaliningrad, Russia, 2004) – III prize;
3rd International piano competition “Gradus ad Parnassum” (Kaunas, Lithuania, 2007) – I prize;
3rd International competition of piano-vocal duets by the name of Rustem Yachin (Kazan, Tatarstan, 2011) – III prize;
European Music Competition “Citta di Moncalieri” (Turin, Italy) – I prize;
1st opened Moscow competition of piano-vocal duets “Piano & Voice” (Moscow, Russia, 2012) – I prize.