Leong has exhibited widely in Australia and internationally. His work has been shown in London, Manchester, Liverpool, Poznan, Beijing, Shanghai, Shenzhen, Hong Kong and Singapore. In 2005 he was awarded an Australia Council New Work Grant. He recently completed a three-month artist residency at Chinese Arts Centre, Manchester. In 2008 he will be artist-in-residence at the Moya Dyring Studio, Cité Internationale des Arts, Paris.