John is a seasoned primary school leader with over 22 years of experience in education and a deep commitment to developing people at every level. He began his teaching journey in the Gifted Education Programme, where he spent five years nurturing high-potential learners. Building on this foundation, John expanded his practice to support students across a wide range of learning profiles—from low-progress learners to students with special educational needs. Throughout his career, John has remained passionate about working alongside teachers to strengthen classroom practice, particularly in the crucial first six years of formal education. His work is driven by a strong belief that every child can succeed when educators are empowered, supported, and equipped to meet diverse learning needs. John brings practical insight, empathy, and a learner-centred approach to his leadership and professional engagements.

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As an educator, Andy is driven by a commitment to nurturing young minds at St. Gabriel’s Primary School. Currently serving as the Head of Department for Mathematics, Andy focuses on creating a supportive and inclusive environment where students can find joy in discovery and learning. Andy has a deep interest in the growth of High Ability Learners (HAL) and as the LMM (HAL) Programme coordinator, he finds great fulfillment in refining the curriculum to better serve his students’ unique curiosities. He views his role not just as a leader, but as a lifelong learner who has grown alongside the programme since its inception. Andy is pleased to share his journey and the practical lessons learned from supporting the High Ability Learners.

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Allan Tok is the Lead Teacher of Mathematics at Innova Primary School, with over two decades of experience teaching Mathematics in primary schools since 2000. He holds a Master’s degree in Mathematics Education from Nanyang Technological University (National Institute of Education). He previously served as Head of Department for Mathematics, providing instructional leadership in curriculum design, teacher development, and pedagogical innovation, before switching track to the Lead Teacher role in 2023 to deepen his impact on classroom practice and teacher mentoring. Allan has extensive experience teaching High Ability Learners (HAL) and is trained in the E2K Mathematics Programme. He is an active member of the High Ability Learners Networked Learning Community (HAL NLC) under the Academy of Singapore Teachers, where he collaborates with fellow educators to advance teaching practices. His professional interests include mathematical reasoning, inquiry-based learning, and the design of rich tasks to stretch and challenge learners.

Mrs Jacelyn Ang is the School Staff Developer (SSD) and has a wealth of teaching and administrative experience as HOD EL and Year Head. She oversees the professional development and well-being
of teachers, AEDs and EAS. Currently, she is leading the teachers in using File Talk as a pedagogical and reflective tool to allow for team learning and sharing, replacing File Check. 

Wayne Leong is the Subject Head for Higher Ability Learning (HAL) where he champions the design and implementation of school-wide approach to support the cognitive and social-emotional development of High-Ability Learners. He has more than 10 years of experience teaching in HAL classes across different schools and has served as an E2K (Maths) mentor. He is currently an active participant in the N4 High-Ability Learners Professional Development Sessions (2025) and the AST HAL Chapter NLC.