Educational Qualifications

2016
Doctor of Philosophy (Leadership & Building of Organizational Capacity), University College London, United Kingdom

1992
Master of Education (Administration, Planning and Social Policy), Harvard University, United States of America

1987
Diploma in Educational Administration (postgraduate), National Institute of Education, Nanyang Technological University (NTU), Singapore

1981
Diploma in Education (postgraduate), Institute of Education, National University of Singapore

1980
Bachelor of Science (Hons) - (Biochemistry), National University of Singapore


Academic and Professional Experience

Professional Experience

2023 to date             
Advisor, National Institute of Early Childhood Development (NIEC)

2019 to date            
Associate Professor, Singapore University of Social Sciences

2014 - 2022             
Advisor, Preschool Education, Early Childhood Development Agency (ECDA)

2017 - 2020             
Adjunct Senior Fellow, National Institute of Education, NTU

2017 - 2019             
Adjunct Associate Professor, Singapore University of Social Sciences

2014 - 2019             
Advisor, Pre-school Education, MOE

2004 - 2011             
Divisional Director, Education Programmes Division, Ministry of Education (MOE) (Overseeing Pre-school Education, Special Education, Gifted Education, Psychological Services, Guidance and Counselling, Psychological Assessment and Research, Co-curricular Activities)

2000 - 2003             
Deputy Director, Schools (East) (now redesignated as Zone Director)

1996 - 1999             
Various roles in Schools Division, MOE

1993 - 1995             
Principal, Chua Chu Kang Secondary School

1981 - 1986             
Secondary school teacher 


Awards and Honours

2018
National Day Award - Long Service Award (35 years)

2011
National Day Award – Public Administration Award (Silver Bar)

2007
National Day Award - Long Service Medal

2001
National Day Award - Public Administration Award (Silver)

1987
Dr Ruth Wong Gold Medal (NIE)

Selected Publications

Journal Articles:

Sum, C.W., Sia, A., Lim, C., Khoo, K. E., & Er, K. B. (2024).
Nature playgardens as sites for Early Childhood Education in a Tropical City. International Journal of Early Childhood Environment Education, 12(1), 40-49.

Nuttall, J., Grieshaber, S., Lim, S., Yun, E., Oh, J., An, H., Sum, C.W., Yang, W., & Kim, S. (2021).
Workforce diversity and quality improvement policies in early childhood education in East Asia. Early Years, 42(1), 6-22. https://doi.org/10.1080/09575146.2021.1888076

Siraj-Blatchford, I., & Sum, C.W. (2013).
Understanding and advancing system leadership in the early years. Nottingham: NCTL.


Book Chapters:

Sum, C.W., & Ho, S. (2025).
Making progress in outdoor play among preschools in highly urbanized Singapore. In T. Gray, M. Sturges, & J. Barnes (Eds.), The Impact of Risks and Outdoor Play on Children’s Learning - Listening, Responding, and Acting on Collective Voices. Springer.

Lim, S., & Sum, C.W. (2022).
The next phase of developments in Singapore’s ECE: Quality in the best interest of all children? In Lee Y. J. (Ed.), Education in Singapore: People Making and Nation Building. Springer.

Sum, C.W. (2021).
Pre-school Education-Realising the potential of each child in the early years. In Mokhtar, I. A. & Ibrahim, Y. (Eds.), Social Context, Policies and Changes in Singapore: Beyond the First 50 Years. World Scientific.

Sum, C.W., Lim, S. M. Y., & Tan, C. T. (2018).
Pragmatism in policy making: Influencing a largely privatised early childhood education and care sector in Singapore. In C. Pascal, A. Bertram, & M. Veisson (Eds.), Pedagogic Innovations in Early Childhood Education in Cross Cultural Contexts. Routledge Education.


Conference Proceedings:

Sum, C.W., Narayanasamy, P., Wong, J.L.L. (2025, 25 Sept).
The Importance of Teacher Leadership and How to Promote It: Empowering Educators for Better Educational Outcomes. ECDA’s Early Childhood Conference 2025

Sum, C.W. (2024, 18 Oct).
Nurturing Teacher Leadership at Early Childhood Development Centres. National Institute of Early Childhood Development (NIEC) Conference

Sum, C.W., Wong, J.L.L., Goh-Karssen, M.S. (2024, 3 Aug).
An Exploration of Affordances and Challenges for Teacher Leadership in Singapore Preschools. 24th PECERA Annual Conference in Tokyo

Kaveri, G., Lim, C. & Sum, C.W. (2024, 4 Aug).
Reflective Practice and Reciprocal Relationships: A Qualitative Study of Early Childhood Educators in Singapore. 24th PECERA Annual Conference in Tokyo

Sum, C.W., Sia, A., Lim, C., & Chua, E. (2023, 27 Oct).
Creating Meaningful Play and Learning Experiences for Children at Nature Play Gardens. Early Childhood Development Agency (ECDA) Conference

Lim, S.M.Y. & Sum, C.W. (2023, 9 July).
Exploring Migrant Teachers’ Well-being and Professional Development Opportunities: Enhancing Cosmopolitan Ethic in Singapore’s Early Childhood Sector. 23rd PECERA Annual Conference in Bali

Sum, C.W. (2022, 10 July).
Deliberations on Site-based Learning of Early Childhood Teachers in Singapore. 22nd PECERA Annual Conference (On-line)

Sum, C.W. (2022, 14 May).
Site-based Learning of Early Childhood Teachers in Singapore. Japan Society of Research on ECCE 2022 Symposium (On-line)

Sum, C.W. (2021, 21 Sept).
Deliberations on the Nurturing Early Learners’ Framework. Ministry of Education and Training (Vietnam) Early Childhood Conference (On-line)

Sum, C.W. (2021, 13 Aug).
Culturally Responsive Learning and Caring for Young Children amid the Covid-19 Pandemic. Korean Association for Multicultural Education (KAME) International Conference (On-line)

Sum, C.W. (2021, 25 Jun).
What Are Some Key Elements in Capacity Building? Early Childhood Curriculum Leadership and Professional Development in Japan and Singapore: SUSS-CEDEP on-line Symposium


Invited Speeches/Plenary Sessions:

Sum, C.W. (2023, 29 Sept).
Leadership & Building a Learning Culture. MOE Kindergartens Leadership Day

Sum, C.W. (2021, 14 Jul).
Understanding Policy Making and its influence on the Early Childhood Sector. National Institute of Early Childhood Development (NIEC) Professional Symposium

Sum, C.W. (2019, 22 Oct).
The Evolving Early Childhood Care & Education Landscape in Singapore: Efforts to raise quality. 6th Kindergarten Principals’ Conference of the China National Society of Early Childhood Education, Dalian, China

Sum, C.W. (2019, 5 Sept).
The Evolving Professional Development Landscape for Early Childhood Teachers in Singapore. OMEP Asia Pacific Regional Conference 2019, Kyoto, Japan

Tan, C.T., & Sum, C.W. (2018, 12 Jun).
Deliberations on the implementation of the Nurturing Early Learners Framework. OECD International Roundtable on ECEC Curriculum Frameworks for the 21st Century, MOE Luxembourg

Sum, C.W. (2018, 17 Mar).
Professional Development of ECEC Practitioners in Singapore. Centre for Early childhood Development, Education and Policy Research (CEDEP) International Symposium, The University of Tokyo

Sum, C.W. (2017, 6 Aug).
Building capacity for learning at Preschool Centres. Leadership Forum on ECE: Touching Hearts and Engaging Minds, Universitas Negeri Jakarta

Sum, C.W. (2017, 7 Aug).
Early Childhood Leadership Development in Singapore. Leadership Forum on ECE: Touching Hearts and Engaging Minds, Universitas Negeri Jakarta

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