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Our Inspiring High School Teachers

They make the diffence



Nikola Karavasilev


Nikola holds a master’s degree in Astrophysics from Sofia University. He is currently teaching Physics and Astronomy at First Private Mathematics High School. For more than 10 years, he has been training and helping students from different cities to win prestigious international competitions and Olympiads.

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Nasko Stamenov


Nasko is an effective science communicator and a skilled teacher who has carried out research studies in the field of nanotechnology. He currently teaches Chemistry at the National High School of Natural Science and Mathematics and heads science teams of students who participate in international science competitions.

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Dimitar Zhelev, PhD

World and BG Geography

Dimitar has been an Assistant Professor at the Department of Geology and Geography at Sofia University since 2017. He has participated in a number of international projects and expeditions. He is the author of several books and articles and a co-founder of the website

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Tiberius Baramov

World and BG History

Tiberius has years of experience in teaching Bulgarian and World History. He wants his students to be able to understand the logic of events and draw conclusions based on historical data rather than simply memorising historical dates.

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Нели Иванова_c

Nelly Ivanova


Nelly has a master’s degree in Journalism and another master’s degree from the Department of Physics at Sofia University. She has completed several internships at NASA, CERN, and an observatory in the Netherlands. Nelly devised the educational programmes at Muzeiko Children’s Science Centre.


Silviya Kotseva

Biology and Anatomy

Coming soon...



Emil Kolev

Елза Тодорова

Elza Todorova


Many years of teaching experience at Sofia Mathematics High School, make Elsa a great teacher to teach students the right approaches to tackle math challenges.

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Nevena Sabeva


Nevena believes she will help children become keen on maths challenges and find the most rational solutions. She is the author of collections and textbooks in mathematics.

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Georgi Kirilov

Finance and Math

Georgi is a chartered accountant with long experience in accounting and corporate finance in London, Geneva and Bulgaria. His job involves working on interactive business simulation games under licence from Business Today Simulations International.

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Computer Technology and Programming

Language and Culture


Sofiya Gecheva

Bulgarian language and world literature

Sofia believes that her enthusiasm and keenness can help students discover the enjoyment of learning. She has long experience in teaching Bulgarian at reputable schools.

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German Language

Desislava Vasileva

English Language - Cambridge International

Dessislava has experience as a teacher in international schools. With her positive approach to students, she will strive to support them in their development as thinking, knowledgeable and capable people.

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Business Studies, Project Mnagement and Entrepreneurship

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Venelin Petkov

Global Perspectives

Venelin Petkov is a journalist and a longtime news editor in leading Bulgarian media. His work has taken him to a number of exciting and enriching places and has met him with interesting people all over the world. He has been passing down this knowledge to learners.

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Law & Civil Society

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Project Management and Entrepreneurship

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International Relationships

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Career and Professional Development

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Organizational Behaviour



Ralitsa Taseva

Music and drama

Ralitsa has gained vast experience in teaching Music at leading private and state schools. She is an inspiring musician who has performed on both Bulgarian and world’s stages. She has taken part in musicals and co-authored textbooks for students. She is, however, most satisfied working with schoolchildren.

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Elina Dashina


Elina has international experience in presenting the magic of music to children and boosting their potential. “Music gives a soul to the universe, wings to the mind, flight to the imagination and life to everything.”                  Plato

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Maria Assa


The art teacher Maria Assa graduated from the National Academy of Arts in Sofia. She has been running art classes for children of different ages since 2007. Maria uses in her work creative techniques and materials artistically combined with children’s imagination.

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Mario Angelov


Mario took a keen interest in pottery as early as childhood. He learnt the art of woodcarving from a Bulgarian master craftsman for many years. Mario graduated from Vienna Academy of Art where he developed his talent in graphic arts, painting and sculpture.

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Aleksander Angelov

Architectural club

Alexander is a free, creative and talented young architect who has developed an affection for and a positive attitude towards children. He has gained experience through a number of annual architecture workshops for children. Alexander has participated in many international projects.

Мартин Асса_c

Martin Assa


Martin uses dancing to motivate the students to be more confident when performing in front of an audience. He is a co-founder of the uMove dance school where children and adults have been taught dancing for more than 10 years.

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Jeny Gordienko

Bg National Dances

Jeny has danced for 20 years in the State Ensemble Philip Kutev. She believes dancing is the magic that connects people to their inner rhythm, to the spirituality of art. Dances respond to the demands of young people by combining sport, fun and the fight against stress.



Lachezar Rangelov

Health and Physical education (Volleyball, Football and Handball)

Mr. Rangelov is a former volleyball player and has extensive experience as a youth volleyball coach (CSKA and „Levski“) achieving success at prestigious competitions. He teaches sports at the Technical University and has been working as a PE teacher at several reputable schools.

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Александър Буюклиев_c

Alexander Buyukliev

Aikido Sensei

Alexander is a 4th Dan in Aikido and a 1st Dan in Jiu-Jitsu and is one of the instructors at CHOWA martial arts school. He was certified  by the National Sports Academy as a Jiu-Jitsu instructor and is currently studying Aikido.

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Елеонора Якимова_c

Eleonora Yakimova

Office manager

Nora is a committed professional who has a radiant and caring personality. She is the first one to welcome our second to sixth graders every morning. She ensures that students have all the necessary school stationery available in class.

Салима Сидике-Мюмюн_c

Salima Sidike-Myumyun

Marketing and Event Manager

Salima graduated in Tourism, marketing and advertising. While she still studied she started working in the same field. She is sharing that it is a pleasure for her to work in her profession at Izzi Science for Kids.

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Ralitsa Velcheva

Chief Accountant

Since her graduation in Accountancy from the UNWE, Ralitsa has never stopped working as an accountant. She is a responsible and highly motivated professional taking an active part in data processing and invoicing. On a personal level, she says she remains an enigma even to herself.




Natalia Manolova

Cambridge International Accreditation and Compliance Director

Natalia has extensive experience in managing diverse and complex projects in an international environment. Areas of expertise include internal and external communication, project management, client service, and event organisation.


Isabelle Basmadjian

Creative Director

Isabelle is our Photographer and Storyteller. She feels happy among children and her smile creates a friendly athomosphere for them during photoshootings. One should recongnize her smart and bright style in writing our blog posts, social media publications and weekly info mails towards Izzi Science`s community.


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Galina Tashkova

Administrative Director

Galina Tashkova is an outstanding professional with a wealth of educational expertise. She has over 15 years’ experience as an elementary teacher and over 18 years’ experience as a deputy head teacher at a secondary school.

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Doroteya Voeva

Managing Director

Doroteya Voeva is the manager and founder of Izzi Science for Kids. She has a financial track record and business expertise that complement the team of skilled and experienced teachers in science, maths, languages, arts and sports.

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Nikola Karavasilev

STEAM Programme Director

Nikola holds an MA in Astrophysics from Sofia University. He is currently teaching Physics and Astronomy at First Private Mathematics High School. Furthermore, for more than 10 years he has been helping students from different cities to win prestigious international competitions and Olympiads.

Read more (in Bulgarian)

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