January 1, 1973
Wollongong, NSW, Australia.
|Education||Sydney Conservatorium of Music (Bachelor of Music (Composition)), Doctorate of Music|
|Occupation||Composer, artistic director, lecturer, performer|
After completing a B.Mus. degree at the Sydney Conservatorium of Music in 1995, he continued his studies for two years at the Royal Conservatory of The Hague with the Dutch composer Louis Andriessen. He recently completed a doctorate in composition at the Sydney Conservatorium of Music, where he also teaches.
Ricketson is the co-founder and musical director of Ensemble Offspring, a Sydney collective dedicated to the performance of new music. His compositions have been performed in concert by MusikFabrik, the Tasmanian Symphony Orchestra, Crash Ensemble, and Orfeusz Chamber Orchestra.
Awards, Commissions and Residencies
Ricketson's string quartet "So We Begin Afresh" (for the Grainger Quartet) received the NSW State Award for the 'Best Composition by an Australian Composer' at the 2008 AMC/APRA Classical Music Awards. He also received the international Lady Panufnik Prize (Poland) for "Chinese Whisper", and was selected by ABC Classic FM to represent Australian music at the Paris International Rostrum with his work "Lamina".  Ricketson's Ptolemy's Onion received the Marienberg Spring Award for an 'Outstanding Australian composition' and was subsequently chosen for the 'Gaudeamus International Music Week'. 
Ricketson has received commissions from: Warsaw Autumn International Festival of Contemporary Music; the Transit Festival (Belgium); The Song Company; the Australian Chamber Orchestra; Symphony Australia; Continuum Sax; ABC Classic FM; the Portuguese-based Drumming Grupo de Percussão and the MLC School Burwood. 
Ricketson has been artist-in-residence at the Banff Centre, Canada; the Bundanon Estate (Shoalhaven); the University of Wollongong and the Peggy Glanville-Hicks House (Sydney). 
Notable other works include:
- In God's Esperanto (2008), a work based on the artificial language Solresol;
- Length and Breath (2009), a saxophone quartet exploring time in relation to independent breath-lengths;
- Fractured Again (2010), a major multimedia work featured in the Sydney Festival and toured to China including musical instruments made of glass;
- Some Shade of Blue (2011), a microtonal work for a newly invented string instrument and retuned vibraphone; and
- The Secret Noise (2013), a music-dance collaboration exploring secret music practices.