Co-Founder & Principal
ACube Achievers Pte Ltd

Mr Melvin Sum
Mr Melvin Sum is an experienced educator and leader with over two decades of expertise in Mathematics education. Trained at the National Institute of Education (NIE), he began his teaching journey in 2001 at Dunman Secondary School, specialising in both Elementary and Additional Mathematics. His dedication to nurturing students’ academic and character growth led to consistently strong results, with many of his graduating cohorts achieving distinctions in national examinations.
In 2010, Mr Sum joined Anglo-Chinese School (Barker Road), where he expanded his portfolio to include Character Development, Student Leadership, and mentoring younger teachers. Promoted to Senior Teacher (Mathematics) in 2015, he spearheaded initiatives to develop teaching competencies and strengthen teacher-student relationships, including rolling out the Singapore Teaching Practice in his school.