Cath has had a long and productive association with Opera Australia, and a wide range of professional experience with many other companies, including:

State Opera of South Australia

West Australia Opera Company

Opera Australia Schools Company

Australian Opera and Ballet Orchestra

Lyric Opera of Queensland

Lyric Opera of Queensland, Schools Company

Bell Shakespeare

Hollywood Studios Paramount, United Artists, Universal and MGM

Deutsche Opera Berlin

Der Komische Oper Berlin

Bayerische Staatsoper, Munich