Mr Calvin Kong holds 20 years of teaching experience as a former tuition teacher, MOE Senior Teacher for Physics, and Subject Supervisor for Physics O-Level Practical Examinations, and held an outstanding contribution award from MOE. Being able to break down complex Physics concepts into simpler bite-size ideas, he broke the national record by bringing a group of students of T-score 200 to ace the O-levels, with the majority attaining distinction grades. It was a momentous time of his life when he discovered that the strategies which he had developed work.

Today, he is the Founder of Concept First (CF) Physics Specialist Centre and heads the Curriculum Design and Teaching Strategies Team.