Wallace has over 10 years of experience in teaching Chemistry for various international exams, which has allowed him to accumulate a wealth of teaching experience throughout his career. He has condensed the entire chemistry course into a series of topic-by-topic guides tailored to different exam syllabi. With this comprehensive approach, he can provide valuable assistance to students from diverse backgrounds.

Not only has Wallace's teaching techniques helped students overcome their fear of chemistry, but many of them have also developed a genuine passion for the subject and have gone on to pursue higher studies in chemistry. As a result, numerous students have been able to achieve top grades with Wallace as their coach.

Justin graduated from Imperial College London with a BSc in Chemistry, and previously studied at Brighton College, UK, and Diocesan Boys' School. He is natively fluent in English, Cantonese and Mandarin, and achieved top academic results including 4 A* at GCE A-Level (Mathematics, Further Mathematics, Chemistry and Physics) and straight 9s at GCSE in Mathematics, Further Mathematics, Chemistry, Physics and Biology. He has several years of experience in tutoring across secondary science and maths syllabi.

Having personally navigated the pressures of public examinations, Justin brings first‑hand insight into effective study techniques, exam strategy and time management. He has competed in international competitions organised by bodies such as the Royal Society of Chemistry and the UK Mathematics Trust, and uses this experience to enrich his lessons. Justin tailors lessons to individual needs, simplifies complex concepts, and builds students’ confidence through structured practice and targeted exam preparation, helping them achieve strong academic outcomes.