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57. Excellent coaching, characterized by a lot of patience and attention to detail. He meaningfully helped me to prepare for my future professional challenges and significantly accelerated my learning process. I would gladly work with him again. Professional, Germany
56. Andrei responded very quickly to my messages and was extremely flexible when it came to scheduling appointments. He was solution-oriented and technically well-versed when answering my questions about working with R. Student, Germany
55. Perfect! Andrei is the best, most patient and most reliable maths teacher my daughter could have. With his methodical yet relaxed approach, he was able to explain all the A-level material very well. With Andrei at her side, I have absolutely no concerns about her future maths studies. He explained difficult concepts from multiple angles until she was able to solve the problems with ease. Everything you invest in lessons with the right teacher ultimately yields priceless results. Thank you very much! Parent, Germany
54. Andrei explains very well, he does so in a very clear way and with examples, he makes sure that I have truly understood and resolves any doubts that arise at the time. He explained game theory to me and in the two times we met, he managed to make me understand all the types of exercises. Thank you very much, Andrei! Student, Spain
53. Andrei found a nice balance between providing additional R insights and supporting the actual use case Student, Germany
52. I required support with RStudio and the programming language, and I was highly satisfied with the assistance provided. The explanations were clear, detailed, and easy to follow. My questions and suggestions were addressed thoroughly, and I particularly appreciated the proactive approach in offering new ideas and solutions that I hadn’t considered, as I was not fully familiar with the tool’s capabilities. The structured approach made the learning process both efficient and logical. The combination of technical expertise and strong interpersonal skills was impressive, and I would confidently recommend this support to anyone seeking professional and competent guidance. Additionally, I found the price-performance value to be excellent. Thank you! Student, Germany
51. Andrei is helping me with Python for my university statistics class, and he is a fantastic tutor. He seems to know every detail. Yet, despite his expertise, he remains patient and takes the time to ensure I truly grasp the material. He has a remarkable ability to break down even the most complex topics into simple, approachable explanations, adapting his teaching to any skill level. His passion for the subject is truly inspiring, making each session both engaging and enjoyable. Learning with him isn’t just effective—it’s fun! Student, Germany
50. Andrei is a great guy! He has excellent English skills, is highly knowledgeable, and very friendly. He's also incredibly flexible with his time, always accommodating when it comes to arranging tutoring sessions. Student, Austria
49. Andrei is s perfect tutor. He has a perfect tool setup and he answers very fast on requests. He taught me the basic concepts in machine learning, the coding, the math, the concepts. Very clear, structured and calm. I will continue working with him and can highly recommend him. Student, Germany
48. Andrei is an amazing tutor! He has helped me with the coding side of my statistics masters course. His lessons are very thorough and he prepares for every lesson. He explains clearly not only the coding side but the biological side as well. If you are looking for a tutor you have found the best one! Student, UK
47. Andrei is a very knowledgeable teacher and he is a joy to work with. He is very patient and helps you understand any gaps in your knowledge. He makes sure to tailor the teaching to suit your needs. I highly recommend Andrei as a teacher. Student, Denmark
46. Andrei is very good at explaining the core meaning of different Machine Learning subjects. He helped me a lot with visualizations, etc. I totally recommend him! Student, Netherlands
45. I am a university student in the UK, studying machine learning as part of my degree. Andrei provided me with an excellent learning experience, guiding me through numerous machine learning concepts. He covered everything from theoretical foundations, including mathematical derivations, to practical applications in Python. His lessons were incredibly helpful and aligned perfectly with the structure of my machine learning curriculum. I highly recommend Andrei as a tutor! Student, UK
44. Andrei is not only very competent, but also patient and super flexible. He will break down the more complex tasks and topics for you in a manner that will take away any anxiety and mental blocks you might be having, and enable you to focus on just every next small step to solve the bigger problem. I am sure he sincerely cares about you succeeding in whatever uni course or R- or Statistics-related problems you are taking on. 5/5 - strongly recommend! Student, Netherlands
43. Andrei is a precise, organized, prepared teacher. Also really patient. Highly suggested. Student, Italy
42. Andrei is very knowledgeable, kind and patient. I would definitely recommend. Thank you Andrei! Student, Netherlands
41. Andrei is a brillant teacher ! I highly recommend him as he is highly skilled, dedicated and really invested in teaching and accompanying his students towards their goals, as well as being a very nice teacher. The lessons were well organized and prepared, assignments from one class to another enables the student to ensure the class was well understood : i have learned a lot, and am sure you will too! Student, France
40. Andrei is a very likable and optimistic person who creates a warm and pleasant atmosphere conducive to productive work. He structures his lessons very well and strives to thoroughly understand the problem in order to provide perfect assistance. I am very satisfied with his help, as Andrei was able to assist me significantly in a short amount of time. Many thanks again! Student, Germany
39. Andrei has a great deal of expertise and is also able to find suitable solutions for more complex problems. He is also very friendly and helpful. Student, Germany
38. Very knowledgeable and competent and very good at teaching. Student, Italy
37. I am delighted to write a recommendation for Andrei. Andrei has supported me for my math based and coding related subjects. Learning with Andrei has given me an opportunity to expand my creativity with my subjects. He has guided me through solving problems that would have evaded me otherwise. Andrei has engaged with me in exceedingly helpful ways, and am sure does so with other people. Student, UK
36. Andrei was a great tutor and helped me understand R studio very well in a couple weeks when i had no prior experience - very nice and answers all questions super clearly! Student, UK
35. His attention to detail, passion for what he does and vast array of knowledge all contribute to why I would highly recommend Andrei as a tutor. He is quick to make you feel at ease and communicates effectively so you can grasp a deep understanding of what you are striving to achieve. Student, UK
34. Very pumped about Andrei's ability to quickly comprehend the complex research topic, data and help me to gather insights and staying focused on the main task at hand/objectives! Thank you Andrei! Student, Germany
33. Andrei is a very kind teacher and helps you understand even the most obvious things. He even comes up with examples that help you understand what you are doing and what for. Grateful working with him! Student, Germany
32. Andrei is a great tutor, who takes his job to a very professional level. He explains complex concepts very well and has a sound understanding of subjects that he teaches. I would highly recommend him to students who need help in Maths, ML, AI and Statistics. Student, Germany
31. Andrei is an exceptional tutor with a remarkable proficiency in R programming. His patience and deep understanding of the subject matter make his teachings incredibly valuable and well worth the time. He excels at tailoring each session to my specific needs, ensuring that they are not only highly informative but also enjoyable. I would recommend anyone to try out his services. Student, USA
30. Andrei was a great help for my exam preparation! He truly understands AI/ML and was always able to easily explain the concepts and the implementation of any topic. Student, Switzerland
29. Andrei is an excellent teacher and very friendly. He explains very well and interactively. He goes the extra mile with offering to prepare topics outside his usual repertoire. I can definitely recommend him! Student, Germany
28. Andrei is a very reliable, patient, and committed teacher. I highly recommend him to anyone seeking effective and supportive tutoring. Student, Germany
27. Andrei was an awesome teacher! He was patient and really good at explaining complex stuff in simple terms. He was quick to reply to messages and scheduled appointments even on short notice. Student, Switzerland
26. Andrei is currently helping me with my data analysis for my master thesis. I'm very glad that I've found my tutor because he is a professional tutor. He is passionate about what he is doing. You always feel that he will take your problem very seriously and will find a solution. Also he explains you everything in detail. He will always double-check if the code is correct, the result is the one we wanted to achieve. He is super patient and freindly which I like the most. I don't feel stressed or nervous while working with him and I'm not afraid of asking stupid questions. I can only recommend! Thank you Andrei for your good work and I'm looking forward to keep learning with you! Student, Germany
25. Andrei is the man! His sections were great [...] and he provided wonderful feedback on our project proposal summary. I hope to interact with Andrei more over the next few semesters! Student, Harvard University
24. Andrei helped me a lot in understanding and completing my R assignment! He really went the extra mile and found time for me outside his usual hours because this assignment was due in a very short amount of time. I would recommend him as a teacher without hesitation. Student, Germany
23. Super nice! Definitely recommended! Andrei is a very nice and patient tutor! Student, UK
22. Andrei is a highly trustworthy teacher for several reasons. For [...] 6-7 months, he has consistently provided me with ample study material for the SAT exam. Andrei's guidance throughout my SAT preparation journey highlights his dedication to helping me achieve a good score. His patience in addressing my questions and concerns shows that he genuinely cares about your progress and academic wellbeing. [...] I wholeheartedly recommend Andrei's tutoring services in the realm of SAT prep. Cheers to you, Andrei! Student, high school
21. Andrei was a patient Tutor. His insights were very helpful in solving the issues. He replied immediately to requests and messages and was available on short notice. Student, Germany
20. It was really fun working with Andrei and completing our goal together. I understood everything and made really good progress! Student, Germany
19. Andrei is very knowledgeable in answering economic questions and takes his time to answer them. The online classes worked without any problems and he was able to help me where other teachers struggled. I can fully recommend Andrei for advanced questions in economics and math. Student, Germany
18. Andrei is a very good mentor, capable and very kind to his students. In addition to this, he is very involved in preparing students for the SAT. Throughout the sessions, he helped me solve difficult problems, giving me confidence in my potential and helping me with good advice. Anyone who will have Andrei as a mentor will realize his qualities right from the start and will fully succeed at SAT. I consider Andrei both a good and capable teacher, as well as an unique mentor, who will help you whenever you need. Student, High School
17. Andrei is an excellent teacher. His mathematical skills are impressive. He has a rational thinking style and is able to explain complex issues in an understandable way. Student, Germany
16. Very smart, helpful and friendly. Student, Germany
15. He's incredibly patient and explains everything clearly! He's also very polite! I would highly recommend him. Student, Netherlands
14. Andrei is an excellent teacher, possessing a remarkable amount of patience and a talent for inspiring and motivating students. Thanks to Andrei's help, I achieved the highest possible score on the SAT math section. Student, high school
13. Because my background is more in literature and cultural studies, I was initially overwhelmed by the statistics problems I encountered in statistics in my cognitive sciences major. I learned with Andrei to take even the most complex statistics problems step by step. In a methodical and accessible approach, we deconstructed each task together, saw what the logical steps were, and in turn established the operations needed to get to the essence of each situation. In this way, I started to solve each new statistics problem more autonomously and faster. Through this practical method, I also managed to learn the theoretical concepts better and anchor them in my long-term memory. Student, Romania
12. I've known Andrei for many years, since he was a student at Harvard. I highly recommend him as a teacher – Andrei has always been amazing at explaining concepts, from the simplest to the most complicated. Furthermore, I was impressed at his understanding and deep passion for statistics and for research topics that relate to stats. Whenever I had a question about such topics, Andrei was very patient in explaining it, and really helped me get the intuition behind difficult concepts through examples and visualizations. He has a great way of weaving math and its applications to different domains, such as economics, computer science, and statistics, and is very rigorous in his understanding of the fundamental math concepts behind different theories. Colleague, Tübingen University
11. Extremely helpful and accessible [...] Upbeat and friendly. Also loves the material. Student, Harvard University
10. We established a really good work rhythm, and our meetings were efficient, since Andrei always focused on approaching the problems that posed the greatest difficulty first. I really enjoyed our lessons, which I believe is mostly because I felt relaxed, yet also serious and encouraged to work. The purpose of our meetings was preparation for the SAT exam, and my test score improved significantly after those. Student, High School
9. Andrei supports me with my statistical analysis. He is very good with R, preparing and mutating my complex datasets, calculating and plotting statistics. The communication is very good and fast! I highly recommend Andrei for supporting your data analysis. Student, Germany
8. I would highly recommend Andrei as a tutor. His classes are very informative and he communicates clearly. He helped me understand my curriculum and improve my exam skills. Student, UK
7. Andrei has been great. I found his feedback incredibly helpful, and we had a great time out of class. A pity I couldn't make it to his sections, which I'm sure would have been fantastic too. Student, Harvard University
6. His approach is excellent for students who are willing to put in effort. First, we focused on studying the theory for each chapter and then we solved exercises using the theory. Prepare for long homeworks!:) Student, High School
5. Andrei was one of the best teaching assistants that I had in college. Andrei provides clear explanations for mathematical concepts, and does a great job helping students to internalize new ideas. Andrei was particularly helpful in office hours, as he combines mathematical knowledge and an empathetic attitude in showing students how to apply and extend their knowledge of the course material. Talking to Andrei about math really helped to improve my proof-writing ability and prepared me for further undergraduate and graduate study in mathematics. Colleague, Harvard University
4. I found Andrei's feedback on my assignments to be very useful and informative. Student, Harvard University
3. Throughout my time spent with Andrei preparing for the SAT exam, I've really improved in terms of understanding certain mathematical notions that we relatively new to me and that were not included in my school curriculum. I was pleasantly surprised with his patience and his calm approach of explaining any questions or difficulties I had. Given that I can be quite shy in these kind of settings, I enjoyed having the confidence of speaking out whenever I was doubtful of an answer or exercise. Student, High School
2. Andrei was exactly what I hoped to have in a section leader. Not only did he show clear enthusiasm for the subject matter, but was always available outside of class to talk through ideas I had and connect them to modern economics. He really empowered me to think about Market Design as an academic discipline as a researcher, not just a student. Student, Harvard University
1. Andrei is great - super helpful, nice, and always accessible. Student, Harvard University
52. I required support with RStudio and the programming language, and I was highly satisfied with the assistance provided. The explanations were clear, detailed, and easy to follow. My questions and suggestions were addressed thoroughly, and I particularly appreciated the proactive approach in offering new ideas and solutions that I hadn’t considered, as I was not fully familiar with the tool’s capabilities. The structured approach made the learning process both efficient and logical. The combination of technical expertise and strong interpersonal skills was impressive, and I would confidently recommend this support to anyone seeking professional and competent guidance. Additionally, I found the price-performance value to be excellent. Thank you! Student, Germany
54. Andrei explains very well, he does so in a very clear way and with examples, he makes sure that I have truly understood and resolves any doubts that arise at the time. He explained game theory to me and in the two times we met, he managed to make me understand all the types of exercises. Thank you very much, Andrei! Student, Spain
53. Andrei found a nice balance between providing additional R insights and supporting the actual use case Student, Germany
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