Born in Australia, Liane received scholarships from the Opera Foundation Australia, Shell Royal Covent Garden Scholarship which enabled her to study at the National Opera Studio London. She attended the AIMS summer School in Graz Austria on the Opera Australia Foundation Scholarship and in 1997, she won a Bayreuth Bursary from the Wagner Society of Great Britain.
Liane came to the attention of both critics and public alike with roles including Azucena (Il Trovatore) for Opera of South Australia, Ulrica (Un Ballo in Maschera) for Opera Australia conducted by Simone Young. Mistress Quickly in the Minnesota Sommerfest production of Falstaff conducted by Jeffrey Tate. Suzuki (Madame Butterfly) with Opera North. First Norn (The Twilight of the Gods) with English National Opera and Offred's Mother in The Handmaid's Tale. Rosa Mamai (L'arlesiana), Marcellina (Le Nozze di Figaro )with Opera Holland Park London. Filipjevna (Eugene Onegin), First Norn with Staatstheater Stuttgart. Klytemnestra (Elektra), Brigitte (Die Tote Stadt), Leocadja Begbick (Aufstieg und Fall der Stadt Mahagonny) with Theater Hagen (ensemble member 2006–2008). As a member of the ensemble of Deutsche Oper Berlin from 2008–2012, Liane sang among many other roles, First Norn, Siegrune (Der Ring des Niebelungen), Adelaide (Arabella), Madelon (Andrea Chenier), Mother Johanne (Dialogues des carmélites), Marcellina (Le Nozze di Figaro), Filipjevna (Eugene Onegin), Mayor's wife (Jenůfa), Anna (Les Troyens), Emilia (Otello), 3rd Lady (Die Zauberflöte), Mary (Der fliegende Holländer) and Mamma Lucia (Cavalleria rusticana).
Concert appearances have included Mozart's Requiem with Sir Neville Mariner and the Czech Philharmonic Orchestra, Barbara in the British première of Korngold’s Violanta at the1997 BBC Proms conducted by Paul Daniels, Waltraute in Act 3 of Die Walküre with Antonio Pappano at the Edinburgh Festival, alto solo in Janacek's Glagolitic Mass for Sydney Symphony under Sir Charles Mackerras, 1st Norn in Götterdämmerung with Sydney Symphony Orchestra, conducted by Edo de Waart, Gaea in Daphne for VARA Radio at the Concertgebouw in Amsterdam conducted by Edo de Waart, Lieder eines Fahrenden Gesellen with Sydney Symphony Orchestra, conducted by Mark Elder, Vaughan Williams' Five Tudor Portraits with Liverpool Philharmonic, conducted by Vernon Handley, Guo Wenjing's Inscriptions on Bone at the 1999 Edinburgh Festival with Nieuw Ensemble of Amsterdam, conducted by Ed Spanjaard, revived in Amsterdam and Wiener Konzerthaus with the Klangforum Wien, conducted by Hans Zender, Zweite Magd (Elektra) at the 2006 Edinburgh Festival, conducted by Ed Gardiner, Madame de Croissy (Dialogues des carmélites) at Edinburgh Festival in 2007, conducted by Ed Gardiner, Das Lied von der Erde with Auckland Philharmonia, conducted by Eckehardt Stier, Das Klagende Lied with Queensland Symphony Orchestra, conducted by Johannes Fritsch, alto solo om Mahler Symphony No. 2 with West Australian Symphony Orchestra, conducted by Paul Daniels.
Since returning to Australia permanently in 2012, Liane has appeared with Royal Melbourne Philharmonic, conducted by Andrew Wailes, appearing in The Music Makers and Sea Pictures by Elgar. This concert is available on CD. Alto solo in Alexander Nevsky by Prokoviev and Erda in the RMP Wagner Spectacular. Alto soloist in Mahler Symphony No. 8 with Zelman Symphony Orchestra, conducted by Mark Shiells. Liane appeared as Siegrune Die Walküre Act 3 in the reopening of Hamer Hall Gala Concert. Guest artist with Victorian Opera in the White Night's Gala. Mary in Der fliegende Holländer with Victorian Opera. Guest artist with Lodovico’s Band, singing Monteverdi arias and duets. Liane appears regularly as the alto soloist with Heidelburg Chorale in such works as The Messiah, Rossini's Petite Messe Solenelle and, most recently, in Elijah.
Liane appears as Erda, 1st Norn and Waltraute in Die Walküre on the 2004 Melba Records recording of the first Australian Ring Cycle conducted by Asher Fisch.
Future engagements include Erda in Der Ring des Nibelungen with Opera Australia in 2016.