Kellie is recipient of a Bachelor of Music (Honours, Performance) from the University of Sydney, the Donald Peart Memorial Award for Music, the Brian Stacey Memorial Trust Scholarship to Young Conductors and a place in the Symphony Australia Young Conductor’s Programme.

Her career began as pianist/keyboardist on The Phantom of the Opera, Miss Saigon (both Cameron Mackintosh), Turandot (Opera Australia) and The Three Divas, continuing as assistant or associate musical director with Beauty and the Beast (Disney/Jacobsen Entertainment), Showboat (LiveEnt/Marriner Productions), The Sound of Music, The Wizard of Oz and The Producers (Gordon Frost Organisation), The Mikado (Carl Rosa Opera Company), and The Witches of Eastwick (Cameron Macintosh/Jacobsen Entertainment).

As musical director and/or conductor, engagements include Amici Forever (Sydney Opera House), Die Fledermaus and The Merry Widow (Opera Queensland), Respect (Jim McPherson), Annie Get Your Gun and Thoroughly Modern Millie (The Production Company), Australia Plays Broadway (Carnegie Hall) and Wicked (Gordon Frost Organisation/Marc Platt/Universal) for which she won a Green Room Award. As the late Rob Guest’s musical director Kellie toured Australia and New Zealand extensively.

She was involved in the development of the new Australian musical, Strange Bedfellows (Instinct Entertainment), and was honoured to be a part of the Australian premiere season of Dr Zhivago (GFO). In 2011 Kellie conducted the Australian premiere of Grey Gardens (TPC), continued her association with Dr Zhivago as resident musical supervisor for the Korean premiere in Seoul, and Wicked as resident musical supervisor of the Australasian tour. Through 2012/2013 she was the musical director for the Australian production of Legally Blonde, and joined the supervising team for the Korean language production of Wicked. In 2014 Kellie travelled on a Churchill Fellowship for professional studies in new music theatre works (New York and Boston), conducted Showboat for TPC, and musically supervised both the Australian premiere (GFO, MTC) and the Korean language production (SeenSee, Once International) of Once.