He has composed ballet and dance works including Macbeth, Paragon, The Happy Prince, The Hedonists, and Giselle and the Wraith Queen for The Australian Ballet, Royal New Zealand Ballet, West Australian Ballet, and Universal Ballet, and for choreographers Graeme Murphy and Alice Topp.
Christopher has received commissions from many of Australia's premier ensembles, including the Sydney Symphony Orchestra, Australian Chamber Orchestra, Gondwana Voices, Synergy Percussion, Omega Ensemble, and the Sydney International Brass Festival.
His film scores, including June Again, Ladies in Black, Adore, Mao's Last Dancer, Daybreakers and Master and Commander, have earned wide international acclaim, with numerous awards and nominations including an EMMY nomination.
He has composed for many of Australia's major celebrations, including the opening ceremonies of the 2006 Commonwealth Games and the 2003 Rugby World Cup, the official celebration of the Centenary of Federation (2001), and the Millennium Eve global telecast. In 2006 he was commissioned by the Prime Minister of Australia to arrange the official orchestral version of the Australian National Anthem.
As a studio conductor he has conducted over seventy film and game scores, including Furiosa, Mortal Kombat 1 & 2, Diablo IV, World of Warcraft, Three Thousand Years of Longing, What If…?, Echo, Anaconda, GOAT, La Brea, Star Wars: The Director and the Jedi, and Truth, as well as a concert tour of Ministry of Sound.
An album of his chamber music was released in March 2022.
In a parallel life, Christopher served as a Councillor on the City of Ryde Council in metropolitan Sydney, including a year as Deputy Mayor, from September 2017 to December 2021.
