BSc (HKU), MStat (HKU), PGDE (CUHK) Mr. Stephen Lee received his Bachelor of Science in Mathematics and Statistics, and Master of Statistics from The University of Hong Kong. During his postgraduate studies at HKU, he was a teaching assistant in the Department of Statistics and Actuarial Science, The University of Hong Kong, where he conducted tutorial lessons for undergraduate students. Later on, he received the Postgraduate Diploma of Education in Mathematics from the Chinese University of Hong Kong. He is currently a frontline teacher in an IB World School. Apart from local syllabus in Hong Kong, he has experience in teaching various levels in IBDP Mathematics. He is also an examiner of the International Baccalaureate Organization (IBO). BBA and Mathematics (HKUST), MSc in Mathematics (Universite Paris-Dauphine, France) Mr. Michael Cheung has a strong Mathematics background and has been teaching Mathematics for more than 10 years. He conducted tutorial classes in fluent English to international students from different international schools. He has been teaching Mathematics in an IB world school. As an IB examiner, he needs to help on marking the IB exam papers every year. Based on his experience, he is very familiar with IB syllabus and knows about different question styles in real exam. BSc (CUHK), MStat (HKU) Mr. Balance Lee received his Bachelor of Science in Risk Management Science from the Chinese University of Hong Kong, as well as the Master of Statistics in the University of Hong Kong. He has more than 10 years of experience in teaching students from various curricula notably the IBDP and the A level Mathematics syllabuses, including group courses conducted in English. He is currently a tutor mainly for IBDP Mathematics, and at the same time an examiner from the International Baccalaureate Organization, and keeping updated on the syllabus change in Mathematics.