Private essay-writing and general writing lessons from English teacher with over 10 years of experience

Yan é um professor incrível que sabe que para bem educar é necessário amar! Ele é muito criativo e disciplinado, o que torna suas aulas incríveis! Aprendi tanto que até parece que sou um nativo brasileiro escrevendo!


Yan is an incredible teacher who knows that to educate well you have to love! He is very creative and disciplined, which makes his lessons incredible! I learnt so much that it's like I'm a native Brazilian writing!

I’ve been learning Portuguese with Ian for almost two years now.

My first lesson was a month before I visited my partners family in Brazil for the first time, and we focussed on basics, enough to allow me to have simple conversations.

Since then, we have made incredible progress. Ian’s laidback teaching style, and a focus on conversation as a medium for reinforcing previous learning has helped me gain confidence and grow my knowledge of some more technical parts of the language.

You will end up spending a lot of time speaking with your teacher, so it’s important that you can mesh well. From day 1, Ian has been supportive, encouraging and kind. I’m glad that I decided to message him here on SuperProf, and proud to now call him my friend.

Ian is a great teacher, he's got a unique sense of humor and patience. I highly recomend him as a Portuguese teacher. Amo!

O professor Ian é excepcional no ensino de português! Ele domina a matéria com profundidade e sabe explicar de forma clara e envolvente, tornando o aprendizado muito mais fácil e interessante. Além disso, ele é paciente, atento às necessidades dos alunos e sempre busca incentivar o desenvolvimento de cada um. Suas aulas são dinâmicas e bem estruturadas, o que faz toda a diferença para quem deseja realmente aprender e evoluir no idioma. Um excelente professor!

Professor Ian is exceptional at teaching Portuguese! He has a thorough grasp of the subject and knows how to explain it in a clear and engaging way, making learning much easier and more interesting. He is also patient, attentive to his students' needs and always tries to encourage their development. His lessons are dynamic and well-structured, which makes all the difference for those who really want to learn and progress in the language. An excellent teacher!

I know Ian for a couple of years now. With a vast knowledge and a unique way of teaching, Ian helped me to achieve my most goal to write an entire book! He accompanied me throughout the whole process of writing and reviewing, and I couldn't thank him more for being such an attentive and warmhearted fellow.

If you’re looking for an exceptional Portuguese teacher, look no further than Ian. He is one of the most intelligent people I know, with an incredible ability to make language learning both engaging and insightful. His creativity knows no bounds, and he is, without a doubt, one of the best storytellers I have ever met. Every lesson with him is not just about learning Portuguese but also about discovering new perspectives through his vivid narratives and deep knowledge. I highly recommend him to anyone wanting to learn the language in a truly inspiring way!

Immense gratitude to Ian, who turned language learning into an engaging and motivating experience. With patience, knowledge, and exceptional teaching skills, he helped me build confidence and fluency, making each lesson productive and inspiring. His dedication and passion for teaching made all the difference in my journey. Thank you for being excellent!

Ian is the best Portuguese teacher there is!! You’ll learn a lot while having conversations about deep topics or even the silliest and funniest ones, he’s just GREAT!! 🫶

I have no words to describe how enriching are Ian classes. He noticeably loves to teach and that love passes through his explanations and interactions, making every lesson engaging and enjoyable. He has a unique ability to simplify complex concepts, ensuring students grasp them with ease. Truly, Ian's classes are a perfect blend of knowledge, enthusiasm, and professionalism.

I’ve known Ian for quite some time, and he is truly an exceptional individual. We worked together closely on various projects, where his teaching skills stood out. Ian has a natural ability to make complex topics easy to understand, tailoring his approach to suit each student's needs, whether they prefer a structured or more flexible learning style.

I highly recommend Ian to the Superprof community because of his dedication, patience, and passion for teaching. He’s not just knowledgeable but also approachable, ensuring every student feels supported. If you're looking to master a subject while having fun along the way, Ian is the right choice—he even brings "tomate, cebola e salsa" to the table, adding flavor to every lesson!

Ian was my English teacher a few years ago, but he was the best I ever had!

Ian genuinely loves teaching and it shows in everything they do. They truly care about their students and make learning feel meaningful

Ian é o melhor professor de inglês da plataforma! Podem confiar!

Ian is the best English teacher on the platform! You can trust him!

I’ve known Ian for a while now and can confidently say he’s an incredible Portuguese teacher. I first met him when I was looking to improve my own language skills, and his passion for teaching and ability to connect with students really stood out.

Ian has this amazing way of making lessons feel fun and engaging while still being super effective. He’s great at breaking down complex grammar concepts into simple, easy-to-understand explanations, and he always tailors his lessons to what you need most. Whether you’re preparing for exams, traveling, or just trying to get better at speaking, Ian makes the process feel natural and encouraging.

What really sets Ian apart is how supportive and patient he is. He creates a positive environment where you feel confident enough to make mistakes and learn from them. I’ve seen firsthand how much his students grow under his guidance, and it’s clear he truly cares about their success.

If you’re looking for a Portuguese teacher who’s not only skilled but also dedicated and personable, I can’t recommend Ian enough. He’s the kind of teacher who inspires confidence and makes you excited to learn!

Ian é um professor incrível! Excelente didática, muita paciência e amplo conhecimento. Ele é atencioso e dedicado!

Ian is an incredible teacher! Excellent didactics, a lot of patience and extensive knowledge. He is attentive and dedicated!

Ian is one of the most caring, funny and intelligent people i've ever met, his social and teaching skills are out of this world. He can easily start and maintain a conversation for hours. If you ever had him as your teacher, you'll never forget the cheerfull moments you've spent with him.

Ian was the best teacher I’ve ever had. His classes and the way he teaches are amazing. I talked to a lot of his students and their opinion are the same, that Mr. Leisner do a really good job. He didn’t just make us learn, he made us have a great time studying. Me and my classmates couldn’t wait for the next class, because there we could study, but have fun and laugh too. Ian wasn’t just an excelent teacher for me, he is also a friend.

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Ian is that type of teacher that pushes you to do your best and that also makes you want to go to class. Throughout my 7 years going to my english school, the semester that Ian got to be my teacher was absolutely the best. I was going through the phase where I didn’t want to go to class anymore and was making up excuses not to go. However, Ian changed my perspective about learning and having fun and that’s why i appreciate him a lot as a tutor and especially as a person. He has all my respect and my gratefulness for not letting me give up on learning this language.

I've known Ian since I was a teenager and he's one of the most intelligent, kind and creative people I've ever met.

He's always learning something new and, alongside all the other qualities required for the job, I believe that's why he's such a great teacher. He knows how good it is to learn, and how good it feels when you do it with with a caring tutor.

He's a creative, competent and resourceful teatcher.

A trustworthy friend with a kind heart.

Ian is, by far, one of the best teachers I’ve ever had. He is super intelligent, caring and fun. I know that if I ever face any difficulty, he will patiently help me with that issue, like he always did. Ian is a person that I truly admire and trust. He is also a very cultural diverse man, he knows a lot about a lot of things, and that makes things easier and more fun. Ian Quint Leisner is the type of teacher that everyone should have at least once on their lives.

Ian is the most hardworking English teacher I've ever met. He really wants people to learn, and it's really easy to keep paying attention to his classes.

I met Ian in a exchange program in June of 2019 in Florida. He is a gentle and interesting person, a guy that listens and doesn’t make your teacher-student relationship impersonal. He is a trustworthy tutor because of his compassion and care for his students

I met Ian through an exchange program at the United States, and he is indeed a Superprof!! His energy is unmatched, and he shares knowledge with such glee that he could even talk about paint drying and I’d listen haha. Ian knows a lot of facts, but he shares them in a quiet and serene way, which is not bad at all for me. He may not be as extroverted, but I do not think that is a bad thing, and for me that just adds to the way he teaches. He is very observant and takes care of all his students with a lot of love, and having him accompanying me at the exchange program was a blast. It would have even been better to have him as a teacher full time for me!

Ian has been an English teacher for many years in the best english school in Curitiba. In 2020 he started teaching online because of Covid-19, so he also has experience with that.
He is a tremendously funny guy, I'm sure his students love him to bits.

Ian is one of the best teachers I have ever had, I actually liked learning when he was teaching. He is funny and has a way of putting that into the teaching. His classes were the highlight of my weeks.

Ian is a very interesting guy, bringing up to his classes all sorts of matters, from literature and music to videogames. Practicing conversation with him is so pleasant, and stuff that you may find boring (like grammar) he teaches in an efficient and smooth way. He’s a peculiar, different, special guy. I learned a lot with him - not only about english, but life as well.