Bettina Siegfried studied vocals in Basel with Verena Schweizer and Isolde Siebert and received the teaching diploma and the Master of Performance. She is a nursery and primary school teacher at the Music School Maur since 2013. In 2014 she finished further training at the ZHdK. Bettina Siegfried performs as a soloist at masses and concerts and is part of the vocal ensembles Origen, Liebfrauen, klanc and the choir of the Opera Zurich.