Khan is a highly qualified and experienced educator and researcher with a PhD in Ecology from Northeast Forestry University, China, and extensive research experience at Nankai University. With fluent English (native-level), intermediate Chinese, and basic conversational French, he holds TEFL, HSK Level 4, HSKK Intermediate, TOEIC, and DELF B1 certifications. Boasting over 15 years of teaching experience starting in 2008, he has taught a wide range of science subjects (Environmental Science, Biology, Chemistry, Physics, Geography, Earth Science, etc.) at both middle and high school levels in Pakistan and China, including prestigious institutions like High School Affiliated to Nanjing Normal University and Shanghai Tianjiabing High School. He specializes in IB DP, IGCSE, and AP curricula, integrating interactive lessons, experiments, and interdisciplinary projects.