- Associate Professor, Nanyang Technological University (since 1999)
- Head, Visual and Performing Arts Academic Group (July 2007 to June 2012)
- Senior Lecturer, Nanyang Technological University (1997 to 1998)
- Lecturer, Nanyang Technological University (1991 to 1996)
- Lecturer, Institute of Education (1987 to 1990)
- Project Officer (Music), Ministry of Education (1985 to 1987)
Assoc Prof Chia graduated with a Bachelor of Arts (Honours) degree in Chinese Language and Literature from Nanyang University in 1974 and obtained a Diploma in Education at the Institute of Education in 1977. He began his vocal studies in Singapore in the mid-1970s. After receiving the Licentiate of the Royal Schools of Music in 1979, he continued his studies on scholarship at Ohio University and the College-Conservatory of Music, University of Cincinnati, USA. He obtained his Bachelor's, Master of Music and Doctor of Musical Arts degrees in vocal performance in 1983, 1985 and 1993 respectively. In 2000, he did additional studies in Central Conservatory of Music in Beijing, China and Oberlin Conservatory of Music in the USA. In July 2006, he became a Certified McClosky Voice Technician, a Singing Voice Specialist who is certified to teach healthy voice application and to rehabilitate problem voices. His other professional voice training includes Certification in Vocology (2008), the Estill Voice Method Levels I and II, and the Alexander Technique and Voice.
Assoc Prof Chia's wide range of research interests covers vocal pedagogy, voice rehabilitation, curriculum development and ethnomusicology. He has been a regular CD reviewer and writer for Sound and Sight, a Singapore hi-fi journal. In 2003, together with Assoc Prof Sylvia Chong, he co-authored the book, Music from the South. In 2011, he completed The Development of Fujian Nanyin in Singapore from 1819 to the Present (commissioned by Siong Leng Musical Association) under a research grant from the National Arts Council. Currently, he is working on The History of Chinese Choral Activities in Singapore (commissioned by Choral Association).
Assoc Prof Chia is a trained singer and a member of the National Association of Teachers of Singing (USA) since 1991. He has given solo recitals in Singapore and abroad and has frequently appeared as a soloist in oratorios and concerts. Some of the recent performances include Liu Bin Melodies, Singapore Chinese Orchestra Chinese Cultural Festival Concert, International Baptist Church's Messiah and Mass in Time of War and International Festival Chorus' Mozart Requiem. In addition, he is committed to promote songs written by Singaporean composers. Apart from being a singer, he has been active in providing consultancy works to various local and overseas organisations as a singing voice specialist, voice clinician, choral conductor, external examiner, music educator, music advisor and adjudicator. As a Certified McClosky Voice Technician, he has conducted voice care workshops for NIE staff and student teachers, staff of the Nanyang Business School, Confucius Institute, MediaCorp, CDAC and schools. In September 2007, he was one of the key speakers of the first Voice Symposium in Singapore.
Assoc Prof Chia was a recipient of Pi Kappa Lambda award for excellent musical and academic achievements, Ohio University and College-Conservatory of Music, University of Cincinnati Graduate Scholarship, NIE-Nanyang Technological University Staff Development Scholarship and a nominee of the Excellence in Teaching Award 2007, The Public Administration Medal (Bronze) 2010, The Long Service Award 2011.