Matthew Quek (郭光正) is an internationally certified IVTOM (International Voice Teachers of Mix) vocal instructor, as well as IVTOM’s main representative in Singapore and Asia.

He has been involved in vocal training and singing for more than ten years. He is a competent pianist, having passed Grade 8 in piano performance (Associated Board of the Royal School of Music, London). Matthew then proceeded to pursue singing, passing Grade 8 (ABRSM) in Voice with distinction and receiving his Associate Diploma (ATCL) in Voice from Trinity College (London, England).