Demenchenko Sergey Igorevich. Was born in 1961 in Rostov-na-Don. In 1987г. graduated from Name of M.B.Grekova with honours and acquired a profession of artist-designer.
Exhibitions: 2003: Rostov-na-Don - the first personal exhibition "Painting, graphic arts, electroguitars" in gallery "Vanguard";
2004: S.Peterburge, "Mihajlov Gallery" - personal exhibition with the same name. Now the author is engaged in professional manufacturing of exclusive electroguitars.