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).