Itxaso trained at BAI (Bizkaiko Antzerki Ikastegia) in Bilbao, Basque Country.
Over 20 in the UK Itxaso has worked with companies like National Theatre, National Theatre of Scotland, Citizens Theatre, Grid Iron, Redbridge Arts, Vanishing Point, Birds Of Paradise, The Arches, Theatre Royal Haymarket, Unicorn Theatre, 360 Entertainment, Tricycle Theatre, ITV/BBC and SMG Productions amongst others.
Itxaso speaks English, Castillian Spanish and Euskara.