External

International Level

2017 – present: Co-chair, Asian Technology Conference in Mathematics

2017: Co-chair, 41^st Conference of IGPME

2017 – present: Member of International Program Committee,

Conference of the International Group of Psychology of Mathematics Education

2016 – present: Unpaid consultant to Casio Singapore: Product R & D, Use of GCs in JC

2015 – present: Member of International Program Committee,

Asian Technology Conference in Mathematics

2010, 2012-2015: Singapore Science and Engineering Fair Judge

2013 – present: Member of Editorial Team of The Journal of Indonesian Mathematical Society

2012 – present: Member of Editorial Team of The Journal of Egyptian Mathematical Society

2012 – present: Reviewer of Mathematics Education Research Journal

National/School Level

2017 – present: Curriculum consultant (unpaid) to Anderson Secondary School,

Computational Thinking in Secondary School Mathematics

2014 – present: Curriculum consultant (unpaid) to Nanyang Junior College,

Topical Guide to Teaching and Learning (All subjects): A constructivist approach

2012: Curriculum consultant (unpaid) to UGM, Indonesia

Curriculum consultant (unpaid) to UIN, Indonesia

2010 – present: Curriculum consultant (unpaid) to Hwa Chong Insitution,

Teachers’ Professional Development

Students’ Enrichment Lectures

2009 – 2010: H1/H2 Mathematics Syllabus Working Committee

Internal

NTU/NIE Level

2017 – present: Chair, MME Committee for Restructuring of M.Sc. (Mathematics for Educators)

2016 – 2017: NIE Task Force for Restructuring of Master’s by Coursework Programmes

2015 – 2016: NIE Graduate School Task Force

2014 – 2017: Thesis Advisory Committee Member (NTU PhD student: Ho Thi Phuong Nhi)

AG Level

2013 – present: Programme Leader, Master of Science (Mathematics for Educators)

2016 – present: Academic Mentor, B.A./B.Sc. (Ed.)