Marie-Louise Catsalis is a conductor, vocal coach and keyboard accompanist (piano and harpsichord). She also currently teaches courses at Stanford University. Initially trained as a pianist, she completed a graduate opera répétiteur course at the Sydney Conservatorium in 1993. That year she also took part in the Pacific Music Festival, Saporo, Japan, where she gave recitals with chamber soloists of the Vienna Philharmonic and Santa Cecilia Orchestras, played in the festival orchestra under Michael Tilson Thomas, and worked with composer Lou Harrison.