Gian is a prolific vocalist and composer with an approach that incorporates wordless singing and improvisation, songwriting; electronics and extended vocal techniques; new music and contemporary composition and collaborations with theatre and dance practitioners.

She has released eight albums of her original music – In My Head (2004), Our Galaxy (2006), Creatures at the Crossroads (2009), The Differences (2012), Still Still (2014), Empathy Chip– Sylent Running (2008), Gone without Saying– Invenio (2011) and Clarion/Whisper – Invenio (2014). She has featured on many projects and recordings for acclaimed artists including Australian artists Barney McAll, Andrea Keller, Paul Grabowksy, Kate Neal, Vince Jones, Ben Hauptmann, Christopher Hale, Sam Anning, Lior, Luke Howard, Nat Bartsch, Emma Stephenson, Sam Keevers, The Australian Art Orchestra, The Monash Art Ensemble and American based artists Kate McGarry, Ben Monder, Matthew Sheens, Linda Oh, Theo Bleckmann, Nadje Noordhuis and Jo Lawry.

She has been a multiple finalist in the prestigious Freedman Fellowship, Melbourne Music Prize and Bell Awards. She was the recipient of the MJFF Apra Composers Commission, Creative Australia Fellowship and the PBS Young Elder of Jazz.

Gian formed her own vocal ensemble Invenio in 2010 after receiving a composer’s commission through APRA and The Melbourne Jazz Fringe Festival. Gian’s first work for the group, Gone Without Saying, was an hour-long a-cappella work for 14 singers. Since its inception, Invenio have performed seven of Gian’s major works – Gone, without saying (2010), Us and Others (2011), Self Echo (2012), Clarion/Whisper (2013) and Luminesce (2014 with video projection artist Robert Jarvis), M?y? (2015 feat. Andrea Keller and Simon Barker) and Ever Bright (2015 feat. Brass Quartet). Gian has also composed and arranged works for Lior, The Black Arm Band (with Ricki Lee Jones, Mavis Staples, Archie Roach and Joss Stone) and New York based pianist/composer Barney McAll for the albums Graft (2012) and Graft II (2016) among many others.

Gian and Invenio were cast and collaborators in two major theatre shows – Chamber Made Opera’s Permission to Speak, By Tamara Saulwick and Kate Neal (2016) and Rawcus Theatre’s Song For a Weary Throat by Rawcus, with music by Gian Slater, Jethro Woodward and Invenio (2017).

Gian is also a long-time passionate educator and lecturer in Voice, Jazz and Improvisation at Melbourne and Monash Universities.