Dr. Coleby earned his Bachelor s degree from University College London, Master s from the University of Aberdeen, and Ph.D. from Heriot Watt University, Edinburgh. He taught at the Chinese International School in Hong Kong, covering Geography, Economics, History, and English Language. A seasoned educator in the Humanities, he has extensive expertise in Geography, including IBDP and MYP curricula. Dr. Coleby also worked at the French International School, earning high praise from colleagues and students alike. In 2013, he taught Geography and IELTS at St. Paul’s Convent School. He provides tutoring in a wide array of subjects including IGCSE, GCEAL, IAL, IBDP, and AP. Known for his passionate and reliable approach, he helps students excel in public examinations and academic writing, including IA and EE support.
Mr. Edwin Hui finished his Ph.D. in Computational Ecology at the University of St Andrews. He completed his IGCSE and IB Biology HL and holds a Bachelor s degree in Biology. He is fluent in English, Mandarin, and Cantonese, having been educated in Hong Kong s international school system. Mr. Hui has a strong background in both theoretical and applied biology and is passionate about sharing his knowledge. He also specialises in data science using R and integrates AI machine learning into ecological research. His teaching covers IGCSE and IB Biology, offering firsthand exam strategies and deep academic insights.
Mr. W. Wong holds a Bachelor of Science in Mathematics and a Postgraduate Diploma in Education (PGDE) from The Chinese University of Hong Kong. A registered teacher with over a decade of full time teaching experience, he specialises in Mathematics across various syllabi, including IGCSE, GCE A Level, HKDSE, International A Level, IBDP, SAT, SSAT, and IMO. Mr. Wong is known for creating tailored learning paths for students of different abilities. His students come from top local and international schools such as CDNIS, ESF, HKIS, Yew Chung, SIS, and St. Paul Coeducational College.
Mr. Remo Notarianni is a UK qualified educator with extensive experience in IGCSE English CIE and Edexcel. He has taught in several international schools, including Kiangsu Chekiang International Section, Sear Rogers International School, and Yew Wah International Education School in Shanghai. Formerly a professional writer and editor, Mr. Notarianni has worked in media, publishing, and education, with credits in South China Morning Post, Time Out, and Reader’s Digest. He draws from his writing background to engage students through creative, task based learning and specialises in helping students excel in English through language arts and applied writing.
Mr. Michael Waugh was born and raised in the United Kingdom. He received his BA degree in Humanities (Literature and History) from Asia International Open University, Macau (originally the Open College of the University of Macau), the course material of which was supplied by the British Open University. He has been teaching English Language and English Literature in Hong Kong since 1998, and helping students to achieve success in their exams is extremely rewarding for him. For Common Entrance exams, he has taught 11+, 12+ and 13+. He has also helped students through the CIE and Edexcel exams at IGCSE level. Mr. Waugh has been teaching IB English Language & Literature as well as English Literature for six years. His IB students (Standard Level and Higher Level) have all done well, achieving impressive marks of 6 or 7. He encourages students to rely on a working method or process to achieve results. Mr Waugh has also conducted Shakespeare workshops for students in the English Department of the University of Hong Kong, as well as teaching a course on Acting Shakespeare at HK Academy for Performing Arts. For the past 15 years, he has coached many students in preparation for the Hong Kong Schools Speech festival, helping them to achieve 1st, 2nd or 3rd places.
Ms. Belinda Ma holds a Bachelor s degree in Psychology (major) and Economics (minor) from University College London and a Master s in Economics from the University of Hong Kong. Since 2015, she has been a key member of A-Star International, offering tutoring in Economics, Psychology, and Business Studies. With over 15 years of teaching experience, Ms. Ma’s students have consistently achieved excellent results, including IBDP scores of 6–7, IAL A-A Star, and IGCSE 8–9. Her classes are known for being structured, engaging, and highly results-oriented.
Ms. Wong is a native Mandarin speaker from Beijing and holds a Bachelor s degree in Teaching. She earned an A grade certificate from the Chinese National Language Bureau and a diploma for Advanced Putonghua Trainers. With over 30 years of experience in Mandarin instruction, Ms. Wong has been teaching at A-Star International for more than 11 years. Her students—mainly from top Hong Kong international schools such as South Island School, West Island School, Island School, Victoria Shanghai Academy, ISF Academy, and Chinese International School—have consistently achieved outstanding results. She teaches Mandarin across grades 1 to 13 and prepares students for entrance exams, IGCSE, IBDP, and GCE A Level. Many of her students have successfully entered prestigious universities, including the University of Cambridge, the University of Manchester, the University of Kent, Durham University, and the University of Bristol.
Ms. Zoe Tsang graduated with distinction from HKUST and the State University of New York at Stony Brook, earning a perfect GPA of 4.0 out of 4.0. A fluent speaker of Mandarin and Cantonese, She has more than 10 years of experience teaching Physics, Chemistry, Biology, Mathematics, and Mandarin Chinese. Her teaching spans IGCSE, GCSE, GCE A-Level, IBDP, HKDSE, SAT, and ACT. With a strong academic foundation in science and mathematics, she helps students prepare for school and university entrance exams, offering advice on academic planning, subject selection, and interview preparation. Known for her energetic and engaging style, Ms. Tsang also co-led service-learning trips to rural China, where she taught science at Hope Schools.
Mr. Alex Cheung holds an MPhil in Cell Biology and Pharmacology from the University of Hong Kong and a BSc (Hons) from the Chinese University of Hong Kong. He joined A-Star in 2019 and has gained broad teaching experience in Mathematics and Sciences (Physics, Chemistry, Biology) across various curricula, including IGCSE, IBDP, IAL, and GCE A-Level. He also teaches UK KS3 Science and Mathematics to students in Years 6–13. Mr. Cheung is recognised for his patient and detail-oriented teaching style, and his students consistently give him positive feedback.
Ms. Tong received a Master of Education (PGDE) from the University of Hong Kong, Master degree in Counselling from Monash University, Australia, and Bachelor degree in Education from University Wolverhampton, UK. She is a registered teacher in one of Hong Kong local schools. She also conducts different Chinese tutoring for students and adults. She received special counselling training for helping students who are suffering from mental health issues like stress, anxiety, depression, OCD, and relational problems. She can conduct classes in English, Cantonese, and Putonghua
Ph.D. Portland State UniversityDr. Adam Devlin is a Postdoctoral Fellow in Chinese University of Hong Kong. He is a native English speaker(American)and has a sound educational background. Dr. Adam received his Ph.D. in Applied Physics from Portland State University, his MSc in Applied Physics from Appalachian State University, and his BSc in Physics from the University of Oregon. He is a Physics and Maths expert. He is also very knowledgeable about climate science and related topics. He uses a creative and prolific approach to research and teaching using real-world examples to explain difficult concepts. Dr Adam can tutor and teach proficiently for all scientific and mathematical concepts. He is an accomplished lecturer at a variety of academic levels, and presenter at many conference proceedings. Also, he is a great proofreader and copy editor of all topics, and is a review editor for a major international journal (Frontiers of Earth Science and Marine Science).
Tanya Maheshwar was awarded a scholarship to attend the Cass Business School, London (City, University of London business school) where she graduated with a Masters in Management. Prior to university,she attended an international school andachieved A* in Economics, Accounting, Business Studies and Mathematics at both GCSE and A-Levels. At the GCSE Level, she was awarded the highest marks in the country for Accounting and English. She teaches GCSE and A-levels courses in economics, mathematics, business studies and accounting in higher education institutions in 2017 and provides IELTS training services to students.
Mr. Alfredo Jimenez received a Master’s degree in foreign language education in Mexico. He provided Foreign Language Teaching (French/English) in Universidad Madero. He worked as a Secondary French teacher in Preparatoria Universidad Interamericana and taught TEFL (teaching English as a foreign language) and Linguistics in Universidad Intercultural del Estado de Puebla, México. In 2014-15 he extended his service to educational counselling and evaluation program in California. His language services cover Spanish, French and English. He is now working as a Spanish Instructor in one British international school and mainly responsible for IGCSE and IBDP Exam preparation.
Dr. Tracy Chan received her BSc (Hons) from the University of Sheffield, MSc (Distinction) from the University of Manchester, and PhD from the University of Hong Kong. Her doctoral research focused on Chemistry and Biology, including the development of MRI contrast agents and DNA intercalators. She was awarded a Certificate in Teaching and Learning in Higher Education and received an Outstanding Teaching Assistant Award from HKU. Dr. Chan has been actively tutoring since 2013, guiding students through IGCSE, GCSE, GCE A-Level, and IBDP examinations. She is also a UK university mentor, offering advice on course selection, application strategy, and university life. Dr. Chan brings both academic excellence and empathy to her educational consulting.
Mrs. Ruchira Gupta holds a Master s in English Literature and a Bachelor of Laws LLB. She is an IB-certified Theory of Knowledge(TOK)instructor, a certified IELTS trainer, Advanced TESOL holder, and PTE instructor. With diverse teaching experience in both academic and legal subjects, she has taught English Literature, Language, Economics, and TOK, and has helped students write high-quality Extended Essays and Internal Assessments. Mrs. Gupta also teaches GCSE and HKDSE curricula and works with primary students in science and language. Her classes are highly personalised, helping students develop critical thinking and writing skills. She is known for being a warm, dedicated, and caring teacher.
Ms. Tong received a Master of Education (PGDE) from the University of Hong Kong, Master degree in Counselling from Monash University, Australia, and Bachelor degree in Education from University Wolverhampton, UK. She is a registered teacher in one of Hong Kong local schools. She also conducts different Chinese tutoring for students and adults. She received special counseling training for helping students who are suffering from mental health issues like stress, anxiety, depression, OCD, and relational problems. She can conduct classes in English, Cantonese, and Putonghua.
Marthe got a Master degree in Nuclear, Particles, Astroparticles, and Cosmology at University of Paris-Sud 11. She worked with the team at CERN -ATLAS that discovered the Higgs boson, and her contribution directly helped in this discovery that led to a Nobel Prize in 2013. While she was doing research. She taught students from middle-high school to University. She has more than 10 years of teaching experience. She is familiar with different exam boards (Pearson Edexcel and Cambridge board). For public examination, Marthe helped students to strike A/A* IGCSE and 6/7 IBDP in the past 5 years. Currently, she is a school teacher in one of the international schools and is responsible for IGCSE and IBDP Physics and chemistry tutorials. She supervised more than 150 IAs and EE in Physics, Computer Sciences, and Chemistry.
Ms. Ng studied in Hong Kong, the UK, and Thailand. She holds a Bachelor s degree in Law from the London School of Economics (ranked Top 10 globally) and a Master’s degree in Business Law from Chulalongkorn University in Thailand. She specialises in Economics and Business tutoring for IBDP, AP, IAL, IGCSE, and GCSE, and also teaches English, History, and Mathematics. Ms. Ng students regularly achieve top grades, including 6–7 in IBDP and A/A-star in IGCSE. Her classes are conducted in English, Mandarin, and occasionally Cantonese, and are known for being rigorous, clear, and results-driven.
Mr. Kevin Zhou is our Mathematics tutor. He received Bachelor degree in Mathematics from The Chinese University of Hong Kong. He is a school teacher with a registered teacher license and and teaching at one of the schools in Hong Kong. Mr. Chow can offer Mathematics tuition at different school levels and international syllabus examination drilling. His tutoring students are from CDNIS, SIS, GSIS, ESF, ISF, VSC, Yew Chung, HKIS, etc.
Mr. Sahil Bhagat is pursuing his Master degree at the University of St Andrews, studying International Relations and Modern History, and currently achieving first-class honors. He was educated under the UK school system in Hong Kong, completing both IGCSEs and International Baccalaureate. He is a native English speaker with extensive experience in senior school examinations and coursework, including TOK and EE. Throughout his high school education and university degree, he tutored various subjects, including History, Economics, Mathematics, and Physics. His passion in these subjects is exemplary in his teaching as he has propelled his previous students to achieve A/A* grades for I/GCSE and 6/7s for IB. Sahil can tutor History and Economics at IB, A-levels, and IGCSE level, teach Mathematics and Physics at an I/GCSE level and assist students in their Extended Essays, TOK Essays, and Presentations for their IB. He hopes to best help his tutees through patience and vigorous practice, allowing them to develop into critical learners.
Ms. Elsa Tsang received her Bachelor of Arts degree from University of Hong Kong, where she majored in Chinese and minored in Fine Arts. After graduation, She became a full-time teacher at Tak Ching Girls College. She is a highly qualified Chinese teacher and with diverse teaching experience. For over 30 years, Ms. Tsang has given academic tuitions to students of local secondary and primary schools. She is currently a substitute teacher of Ho Lap Secondary school and Ramondi College. She nurtured her students as if they had been her own children. Over the years, she has helped countless students prepare HKCEE and HKDSE Chinese examinations. Most of her students received 5-5** in their HKDSE exams. She taught students from Diocesan’s Boys’ School, Diocesan’s Girls’ School, Queens College (Hong Kong and Kowloon), Ramondi College, La Salle College, St Paul’s Convent School, St. Mary’s Canossian College, Maryknoll Convent School and St. Joseph’s College.
Mr. CY Ma is an experienced tutor with over 15 years of teaching experience. With an Economics and Mathematics background in HK and UK, he further enhanced his strength at CUHK with a bachelor degree in Business Administration and then MFIN in Finance. His MFIN focus on Derivative product trading, Economics, FX Market, Quant Methods. He received a “Distinguished Academic Performance Scholarship" Award (1st out of 60). For his BBA, he focused on Financial Engineering, Corporate Finance, and Financial Econometrics. He was an award winner of "College General Education". As for his teaching experience, he offers IBDP/IAL/IGCSE/HKDS Physics, Mathematics, and Economics. His teaching will be more concentrated on examination techniques and aiming to identify the unclear topics that students are confronting; hoping to equip students with sufficient knowledge and confidence when facing examinations and entering their ideal universities. His students are from Canadian International School, ESF, VSA, Harrow International, and a few local schools.
Mr. Shahryar Naeem is pursuing a Bachelor degree at HKU with a double major in BA Linguistics and BEd English. He is a native English speaker and fluent in French and Cantonese. He has attained a 5** in the English language HKDSE and aspires to share his knowledge and tricks for acing the exam with other students and helping them succeed. He has worked in a plethora of schools as well as tutorial centers over the last couple of years, guiding HKDSE candidates with his expertise and aiding them in striving for excellency. Apart from DSE being his forte, he now seeks to add the international curriculum to his repertoire such as the SAT and SSAT and has joined A Star International Tutoring with the aim of bringing out the best in students from all backgrounds.
Ian Lam graduated from the Chinese University of Hong Kong majoring in Quantitative Finance and he took Statistics as minor subject. He has strong academic results particularly in Mathematics and Science subjects. He achieved A in Physics, Mathematics, Biology in HKCEE exams and achieved A and B in Physics and Pure Mathematics respectively in HKALE exams. He has multi-year experience in teaching secondary levels as a private tutor. He emphasizes on the understanding of the basic principles of a subject and guides students with the logic of thinking of a question. He focuses on cultivating students with the attitude of learning and improving the efficiency of studying besides the knowledge of a subject. He attributes his own academic achievement to his efficient learning approach as much as his endeavor and would teach students how to study efficiently.
Dr. Luca Brianza received PhD in Physics from University of Milano- Bicocca in Milan, Italy in 2017. His PhD research activity was focused on the analysis of the data coming from the LHC (Large Hadron Collider), the particle accelerator located under the CERN. He worked with teams from all over the world and presenting his work at international meetings and conferences. During his PhD research, he worked as a Physics and Mathematics online teacher. His track record supports him to have confidence and help students to secure the best grade. He can teach different level and curriculum of Physics and Mathematics. At A-Star International Tutoring, he is responsible for teaching science and Mathematics subjects related to IAL, GCEAL, IBDP, IGCSE and SAT
Mr. Ken Z. graduated from the University of Florida with a BSc in Finance and BA in Chinese Language & Literature. He also went to an architecture design program at UC Berkeley for a short course. He is an American Professional instructor and consultant with more than 10 years of experience teaching students from Year 4 and upwards toward achieving exceptional academic success, his students have reached the 99th percentile for the SAT and TOEFL and have gain acceptance into the top academic institutions in HK, China and abroad as well as placing no. 1 in their respective English classes. He has top teaching proficiency in English Language, English Literature, History, Maths and Biology applied to the IBDP, AP, IGCSE, SSAT and SAT curricula.