Meet the team!

Jay Lee

Korean, English, Sciences & Math

Jay (Jaeguk Lee) is a native Korean speaker who has been teaching Korean in Bulgaria since 2016. He also taught Mathematics, Science, and English in South Korea for 8 years.

Mio Nakajima


Mio is our youngest Japanese teacher. She’s currently an exchange student in Sofia and is majoring in English and International relations in Tokyo, Japan.

Tania Lee

English, Bulgarian

Tania has been an English Teacher in Bulgaria and South Korea for the last 7 years. She has given private lessons and has worked in an English Kindergarten in South Korea.

Gergana Mileva


Gergana is our Japanese teacher. Living and studying in Tokyo for a year as an exchange student in Waseda university enriched her knowledge of the Japanese language and culture.

Diana Vassileva

Bulgarian, English

Diana has a Pedagogy bachelor degree from Sofia University “St. Kliment Ohridski. She teaches Bulgarian and English. Diana also speaks Russian and Greek and is learning Korean!


We founded Tj Learning Center in 2016 after many years of working as tutors all over the world. Our awesome staff members are full of energy and passion for their work. We would be delighted to share our knowledge with you!


Sunday – Thursday:
9:30 am – 8:30pm


Days off:
Friday, Saturday


Tj Learning Center can also adapt to your schedule.