Soprano
Baritone
Bass Baritone
Pianist/Répétiteur
Pianist/Répétiteur (Landestheater Coburg, English National Opera)
Conductor/Pianist
Pianist/Repetiteur
Pianist/Vocal Coach
Tenor
Mezzo Soprano
Contralto
Pianist
Conductor
Studienleiter/Kapellmeister (Mainfranken Theater)
Chef du Chant
Conductor (Dutch National Opera, Stadtheater Klagenfurt, ENO)
Bass
Pianist/Vocal Coach (Lyric Opera Chicago, Juilliard)
Head of Music (Luzerner Theater, Switzerland)
Conductor (Theater an der Wien, Northern Ireland Opera)
Conductor (Royal Opera House, Grange Park Opera)