Julia Heirich has been principal horn soloist with the Orchestre de la Suisse Romande since 1995. Before moving to Geneva, she held the same position at the Hamburg Opera and the Limburg Symphony Orchestra in Maastricht. In 1992 she won the Dutch Competition in Utrecht and is also a laureate of the International Music Competition in Toulon.

After obtaining her Bachelor's degree with distinction at the New England Conservatory in Boston, Julia Heirich left her native country for Europe. She continued her studies with several teachers in Germany, including Hermann Baumann in Essen where she obtained a soloist's diploma.

Julia Heirich has performed as a soloist with several German, Dutch and Swiss orchestras. In Switzerland she plays chamber music in various formations.