Nastassia Acevedo

Founder + CEO

Nastassia Acevedo is the Founder and CEO of Xpertly. Teaching has always been her true passion in her life. For the past decade, she has dedicated her life to pedagogy.





Daniel Da Silva

Business Manager + CEO

Daniel Da Silva is the CEO and Business Manager for Xpertly. 

With over ten years of experience in Business Management and Customer Service, he is a remarkable asset to Xpertly. He is no teaching expert, but he does speak four languages!

Xpertly has been founded under the perfect and equal formula, that you would expect from two CEOs.

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"Our vision for Xpertly is to contribute an optimized educational journey for all demographics from around the world."


Elizabeth Rivera


Elizabeth Rivera is a native English speaker with a B.A. degree in Psychology from The College of Mount Saint Vincent in New York. She is TEFL certified and began her passion for teaching online three years ago.


She emphasizes oral comprehension and development so that the student can better establish the foundations of the theory and, in addition, have tools to cope in real situations in the target language.


Sandra Bettencourt Silveira


Sandra Silveira has over 20 years of experience and is passionate about education. She holds a B.A. degree in teaching Portuguese and English as a second language. She is completing a Master's Degree in Education at Antioch University of New England in New York. She is also TESOL certified and has been involved in projects internationally for more than ten years.


Sandra has developed a special interest in teaching online as an ideal way to help students around the world to achieve their goals and dreams.

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Natalia Ribeiro


Originally from Brazil and enchanted by different languages, Natalia started teaching English back in 2012. She has worked in various countries as an ESL teacher (regular schools, language courses, and companies). She holds a teaching degree in English Language and is working towards her masters in Linguistics and English Studies at the University of Lisbon. Natalia has lived in England (Liverpool), where she perfected her English and was able not only to develop her language skills but also to discover more about British culture. 


Natalia is enthusiastic about helping students progress and achieve their language goals by working with relevant and innovative topics and materials. 


Maria Novak


Maria is a passionate teacher and language enthusiast. She has a degree in English Philology and International Relations. Maria has over five years of experience teaching English as a Second Language. She has taught students of all ages from beginner to advanced, prepared students for various exams such as OET and IELTS, and gave Business English classes to employees of different companies in Poland and Portugal. She speaks English, Polish, Ukrainian, Russian, and Portuguese.


Maria has a creative approach to teaching; she makes sure that her classes are engaging, effective, and tailored to each student's specific needs.

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