Physics tutor & more · Greenwich
Dr Jon S.
Imperial PhD Tutor for GCSE, A-Level Maths, Further Maths, Physics, TMUA, ESAT and A* Preparation
Physics tutor & more · Greenwich
Imperial PhD Tutor for GCSE, A-Level Maths, Further Maths, Physics, TMUA, ESAT and A* Preparation
About
I am a passionate Physics and Mathematics tutor with over 17 years of teaching experience and more than 15000 hours of online lessons delivered. I completed my Ph.D in Physics at Imperial College London after obtaining both a BSc and MPhil in Physics. Throughout my academic journey, I developed a deep interest in understanding not only advanced scientific concepts, but also the most effective ways to learn and teach them.
Over the years, I have worked with students from many leading UK schools, including Eton College, St Paul's School, Westminster School, The Henrietta Barnett School, Hampton School, Lady Eleanor Holles School, Manchester Grammar School, and Godolphin and Latymer School. I have also supported international students preparing for UK qualifications such as GCSE, IGCSE, and A-level examinations.
In addition to tutoring, I have experience teaching university-level Physics and Mathematics, including topics such as electromagnetism, quantum mechanics, classical mechanics, and advanced calculus. I also coached students for Pan-Asia Physics Olympiads, Asian Physics Olympiads, and International Physics Olympiad competitions, where students achieved multiple gold, silver, and bronze medals under my guidance.
I am also the author of A-level Mathematics mock papers and practice materials available on Amazon, designed to provide students with high-quality, challenging exam-style questions beyond standard past papers. My goal is not only to help students achieve excellent grades, but also to help them develop confidence, curiosity, and strong analytical thinking skills.
My tutoring approach is highly exam-oriented while still focusing on building strong conceptual understanding. I believe students perform best when they fully understand the logic behind concepts rather than relying purely on memorisation. I aim to simplify difficult topics into clear, structured explanations that students can apply confidently in examinations.
Lessons are carefully tailored to each student’s strengths, weaknesses, and target grades. For students who need support with fundamentals, I focus on strengthening core understanding step by step while improving confidence and exam technique. For stronger students aiming for top grades, I provide advanced problem-solving training designed to push their thinking beyond standard classroom level.
I also offer an A* Targeting Scheme for students who already find most past paper questions relatively straightforward. Under this programme, I create customised A* difficulty questions using my own unique question bank, specifically targeting weaker areas and advanced problem-solving skills. These questions are designed to reflect the style and creativity of the most challenging examination questions, helping students develop deeper analytical thinking and stronger adaptability under exam conditions.
In addition, I place strong emphasis on exam strategy, time management, and recognising common question patterns. My lessons often include carefully selected exam-style questions, structured feedback, and targeted practice to maximise improvement within a short period of time.
Outside lessons, students are welcome to contact me through WhatsApp for quick questions and support, allowing lesson time to focus more efficiently on deeper learning and exam practice. My overall aim is not only to improve grades, but also to help students become independent, confident, and intellectually curious learners.
£75–£140/hr · 6 subjects · 22 levels
Subjects & pricing
from £75/hr
Languages
- Cantonese Native
- English Native
- Mandarin Near-native
Qualifications
Higher education
- BSc (Hons) Physics Certificate checked · Hong Kong Baptist University · 2:1 (Upper second) · 2012 Hong Kong Baptist University · 2:1 (Upper second) · 2012 Certificate checked
- MPhil Physics Certificate checked · Hong Kong Baptist University · Research Degree – Grade Not Applicable · 2015 Hong Kong Baptist University · Research Degree – Grade Not Applicable · 2015 Certificate checked
- PhD Physics Certificate checked · Imperial College London · Research Degree – Grade Not Applicable · 2020 Imperial College London · Research Degree – Grade Not Applicable · 2020 Certificate checked
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Reviews from First Tutors
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- Sept 2021 ·imported from First Tutors
A First Tutors client
very good tutor my son said he explained very regarding any topic. as mum I found very expensive I wanted to book 10 lessons if there’s any discount but Dr John didn’t agree.
Dr Jon S. replied
Dear Shifa, I am very sorry that I am not able to provide any discount. It is because I have to be fair to other students who have been paying the regular fee for months or even years. I wish you and your son all the best and a successful A-level exam for him. Thanks, Dr Jon
- Mar 2021 ·imported from First Tutors
A First Tutors client
- Sept 2020 ·imported from First Tutors
A First Tutors client
Dr Jon is an excellent tutor. He is always well prepared and has some very useful material to consolidate any learning. He is also very good in explaining challenging topics in a way which my daughter has found very helpful. I believe she can achieve top grades with his help. Highly recommended!
Dr Jon S. replied
Thank you very much for your feedback. I will continue to try my best to help your daughter to achieve top grades!
- Aug 2020 ·imported from First Tutors
A First Tutors client
Jon has been tutoring my sons for 2 years now in maths and physics. They have been enjoying every session and look forward to next one every time. Jon is 100% involved in his subjects and in his students progress, always prepares the lessons and questions in advance making the boys challenge themselves. The boys had top grades in their maths and physics GCSE’s and achieved similar grades in their mock A’level’s. We couldn’t be more satisfied. I highly recommend Jon as a tutor.
Dr Jon S. replied
Thank you very much, Amel! I will continue to try my best to help your sons to get top grades in the A-level!! Thank you!! :)
- Aug 2020 ·imported from First Tutors
A First Tutors client
Jon is a magnificent, committed, friendly teacher, who taught me Double Maths & Physics for A-Level & assisted me for the Senior Maths Challenge. His teachings are very easy to understand, and always provides examples, diagrams, and graphs, to ensure that I understand each and every part of a specific question/topic. As well as, I am very impressed with his lesson structure.& how he manages time efficiently. He has helped me get into Queen Mary Univery to study Mechanical Engineering, Thank you very much, Jon.!!!
Dr Jon S. replied
Thank you very much Anuram! It was nice working with you and I am happy that you did not give up even the A-level was canceled! You have done a good job this year! Can't wait for our future lessons in uni physics and mathematics!
- Aug 2020 ·imported from First Tutors
A First Tutors client
I enrolled Jon’s help a couple of months before the A level exam - Jon provides me with that extra challenge I needed at that stage to ensure I was fully prepared. The advanced question packs that he’s created are unique and of A level standard. With guidance from Jon, I was able to obtain my desired my A level grade and first choice uni. I would not heate to recommend Jon! Thank you!
Dr Jon S. replied
Thank you very much and I was nice working with you! I am happy my A* grade targeting scheme gave you confidence in A-level exam! I wish you an enjoyable uni life! Thank you!
- Aug 2020 ·imported from First Tutors
A First Tutors client
Jon is a excellent tutor.He taught me A-level maths ,further maths and Physics.He helps me a lot and I have a great improve in those subjects.I strongly recommend him.
Dr Jon S. replied
Thank you very much! I wish you an enjoyable uni life at King's College! It was nice to work with you :)
- May 2020 ·imported from First Tutors
A First Tutors client
I cannot recommend Dr Jon more, for anyone seeking tuition his tailored thoughtful approach ensures that topics are covered in depth and understood. He has been instrumental in helping me achieve my academic goals. I wholeheartedly recommend Dr Jon, not only does he provide excellent explanations of difficult topics and questions but has helped me numerous times outside of the scheduled lessons. I look forward to continue working with Dr Jon as I look towards achieving further academic success.
Dr Jon S. replied
Thank you for your comments and recommendations. I also enjoyed the classes with you as you are a very hardworking and motivated student. I am pleased to see your improvements along the process and I cannot wait to start our Oxbridge Entrance Examination preparation in the next academic year. See you and much appreciated!! :)
- Apr 2020 ·imported from First Tutors
A First Tutors client
Simply a great tutor, professional, helpful, committed. I wish all teachers had this attitude towards teaching, thank you
Dr Jon S. replied
Thank you for your comments and I am glad that your daughter has enjoyed the class. It is always my passion to raise students’ interest in math/physics/chemistry so that they can find joy from learning it. It is a pity that we were not able to go on with the lessons because of the cancellation of A-Level this year. All the best to your daughter's further studies!
- Sept 2019 ·imported from First Tutors
A First Tutors client
I had enrolled onto first tutor and selected Jon, who tutored me in Physics and Further Maths. Jon provided me with weekly sessions on my subjects with material he prepared prior to each lesson with my input. Moreover Jon taught me quick and helpful methods which enabled me to deal with the questions effectively, which is important under exam conditions. Jon had an in depth knowledge of the subjects he tutored me, which allows him to adapt his teaching for you specifically; and I felt comfortable that Jon had covered all the content required for my exams. Not only was Jon an amazing tutor he is a very pleasant person which makes the sessions more relaxed. Furthermore, Jon would always select the most difficult questions which really pushed me to a higher level in preparation for my exams.
Dr Jon S. replied
Thank you very much, Alex. It is my pleasure to tutor you and I enjoyed every lesson with you. Although most of the questions I gave you are tough and challenging, I am impressed to see how determined you are to tackle every challenge. I wish you all the best in your study at Imperial!
- Jun 2019 ·imported from First Tutors
A First Tutors client
Wai Yu is tutoring my son for his A level maths, he has a vast amount of knowledge and exam techniques and has given my son alot of confidence.His lessons are very well structured and focuses on individual needs, he is able to show exactly how to gain those top marks!! I would highly recommend Wai Yu as a tutor for anyone struggling with Maths.
- imported from First Tutors
Michael Sahaya
I have been tutored by Jon all through my A- level, at the start of year 12 I was struggling heavily in physics and wasn't able to cope with the speed or the depth on which the subject was built. However, Jon was able to boost me up from the lowest grades to the highest within a year. His phenomenal style and method of teaching gave to the tools and ability to execute the hardest forms of questions within the A- level paper. I will certainly advise you to try his tutoring.
Dr Jon S. replied
Thank you for your kind words. I've witnessed your remarkable improvement in the Oxford PAT preparation lessons. It's been fulfilling to see your progress, moving from a lower score to achieving the highest and securing admission to your top-choice univery. I wish you all the best in your future studies.
- imported from First Tutors
Andrea
Dr Jon is an excellent tutor . He is very good at teaching principles and his A* questions are excellent!
Dr Jon S. replied
Thank you for your kind words! I'm glad I could help. Wishing Andrea all the best in her uni journey!
- imported from First Tutors
Kalie
Dr Jon is a fabulous tutor, very knowledgeable, sets great pace for my son. I would highly recommend.
Dr Jon S. replied
Thank you Kalie for your feedback I will continue to try my best to help your son :)
- imported from First Tutors
Chetan
My son was lagging in terms of concepts and Wai Yu has helped him to understand all concepts in a very short span of time. I will recommend him as very good tutor.
Dr Jon S. replied
Dear Chetan, Thank you so much for your feedback! I will try my best to help your son in the coming A level exam! :) Thank you! Dear Chetan, Thank you so much for your feedback! I will try my best to help your son in the coming A level exam! :)
- imported from First Tutors
Wendy
So far, my daughter has understood and been able to catch up with her maths work and we are very grateful. Jon is very patient and explains every step thoroughly to make sure my daughter understands every part of the content. Thank you!
Dr Jon S. replied
Thank you very much for your feedback :) I will continue to try my best to help your daughter