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Our Team

Our specially trained math instructors will teach your child how to understand math in an individual setting; our unique approach enables us to explain concepts really well and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn! Read below to learn more about our talented team:

A. Bellaachia (Bell), Curriculum Director

Bell has over 20 years of teaching experience. He has been interested in teaching others since he was a kid. He began tutoring Math in high school at the age of 15. Bell earned a degree in Electrical Engineering and Computer Science and MS and Ph.D. degrees in Computer Science. He has taught Math for several years and is experienced in curriculum planning and development

Bell brings an expertise to the teaching side of Mathnasium of Tysons. He has very strong knowledge and skills in teaching mathematics.

Bell is looking forward to bringing his students' potential to the maximum and offering them the opportunity to experience the fun of math and develop successful problem-solving and critical thinking skills.


Ryan Vaughn, Assistant Director

Ryan earned his Bachelors Degree in Mathematics from the University of Mary Washington. While at UMW, he won awards both locally and nationally for his research in mathematics. He is currently working towards an M.S. degree in Mathematics at George Mason University. Ryan joined Mathnasium in order to be able to spread his excitement and passion for higher mathematics to younger students.