San José, Costa Rica

Mariana Semerjion is a certified DELE examiner for all levels and an experienced Spanish teacher at the renowned Instituto Cervantes. She holds a Master’s degree in Teaching Spanish as a Foreign Language from Universidad Nebrija, and she has helped countless students successfully prepare for the DELE exam. With Mariana, you will receive comprehensive preparation in all four key areas of the exam: oral expression, written expression, listening comprehension, and reading comprehension. You will also gain a clear understanding of the DELE exam structure and scoring criteria, so you can approach the test with confidence. What sets Mariana apart is her holistic approach. As a certified Mindfulness instructor, she helps students reduce stress, develop emotional balance, and stay mentally focused—essential tools for staying calm and clear during the exam. Learn with a teacher who not only understands the DELE exam inside and out, but who also supports your well-being along the way.

I am an English exam specialist with over 30 years of teaching and exam preparation experience. As a certified OET tutor (OET Preparation Provider), I support a wide range of candidates, including nurses, dentists, doctors, and veterinarians, across all parts of the exam. I have also worked as an official Cambridge speaking examiner for 20 years and hold the dipTESOL postgraduate qualification. My lessons focus on exam strategy, performance skills, particularly in speaking and writing, and precise feedback aimed at maximising results. All sessions are tailored to your specific exam goals.

I am an experienced language educator and certified DELE Examiner for all levels, as well as a Cambridge English Examiner. With a strong academic background — including multiple Master’s degrees in Education and a CELTA qualification — I have taught learners of all ages, from young children to adults, in both online and in-person settings. My teaching style is dynamic, engaging, and tailored to each student’s needs. I combine communicative methods with structured exam preparation to help learners gain confidence, improve fluency, and achieve their academic or professional goals. Having taught in diverse cultural contexts and worked with students from around the world, I bring not only expertise in exam preparation (DELE, Cambridge) but also a deep understanding of language learning as a personal and transformative journey.