Currently the secretariat for Association of Composers (Singapore), Xiao graduated from London College of Music, which is the music faculty of University of West London with B(Mus) in Music Performance/Composition. As a composer, he worked with a couple of genres, including Chinese and western orchestral music. He also wrote chamber works and etudes as well. As he specializes in classical singing as well, he also wrote a couple of choral works and vocal solos. He is also member of professional organizations including Composers & Authors of Singapore and Musicians Society of Singapore.