Wallace has over 10 years of experience in teaching Chemistry in various international exams and thus he has built up a lot of teaching experience on his career. He has condensed the whole chemistry course into a series of topic-by-topic guides according to different exam syllabus. He could provide great assistance to students with any background. His teaching techniques have not only helped them to overcome their fear on chemistry, but also many of them love this subject and are pursuing higher studies in chemistry. Therefore, many students can finish IGCSE or IAL chemistry exam in one year and score A-A* with the coach from Wallace.

Dr. Hui graduated with a Ph.D. from the University of Hong Kong. He has more than ten years tutoring experience in science and mathematics. His students come from for a number of local famous schools such as DBS, DGS, International schools, such as HKIS, GSIS, ESF, CIS, ICS, CDNIS and Harrow School. He is familiar with the content of international courses and can master teaching methods to improve students' learning ability. Most of his students’ performance have made significantly improved both in leaning motivation and academic results.