Dr. med. Salome Zwicky: Doctor for otorhinolaryngology, specialised in phoniatrics
Barbara Böhi: Dipl. vocal pedagogue
Dorothea Greif: Dipl. Speech and Language Therapist
Karin Gutiérrez-Lampart: Dipl. Breath, voice and speech therapist
Nadine Blumberg-Rueff: Dipl. Speech and Language Therapist
Irene Willisegger: Dipl. Speech and Language Therapist
Aline Camenzind: Dipl. Speech and Language Therapist
Tamara Pixner: Breath therapist
Miriam Fahrni: Dipl. Speech and Language Therapist
Oliver Frischknecht: Dipl. Speech and Language Therapist, voice therapist, vocal pedagogue
Chiara Ackermann: Dipl. Speech and Language Therapist
Julia Schiwowa: Dipl. vocal pedagogue
Esther Wartenweiler: Dipl. vocal pedagogue
Dorothee Roth: Speech trainer
Esther Amstutz: lic. phil, Specialist Psychologist for Psychotherapy FSP
Tanja Nardon, Head of Administration SSZZ
Daniela Stoll: Opera singer, Administrative Assistance SSZZ