is a Finnish pianist and correpetiteur . After studies in Helsinki , Lyon and Zürich he has worked at the Finnish National Opera ,in important festivals and with orchestras
both in Finland and abroad. Besides a normal concert career he has been official pianist in almost every Finnish national or international vocal competition.
His concerts have brought him to most of of the European countries, Israel, Japan, Cambodia and Greenland. Hans-Otto Ehrström has recordings in the Finnish , Hungarian and Croatian radio and television.Lately he has assisted productions as conductor.His repertory exceeds 120 operas in 10 languages.