Mathnasium 5806 Prosperity Church Road, #A-3, Charlotte NC 28269 (704) 940-2882

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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:

  Alexander Dargel, Center Director 

Alex and his wife, Jennifer, own and operate the Mathnasium of North Charlotte. Prior to opening his Mathnasium center, Alex worked at a variety of companies including a large manufacturer, one of the largest banks in the country as well as small IT startups. During his time at those companies, he specialized in data analysis and marketing. He has a B.S. in Marketing and MBA  from Oral Roberts University. Alex grew up in Germany before he came to America for college thanks to a tennis scholarship. Alex always enjoyed math from a young age on and it helped him succeed in college as well as in his professional career. Now he is committed to bringing the Mathnasium Method to the children in this community. Married with 2 kids, Alex also serves at his local church, Hope Church Charlotte and still enjoys playing tennis.

Marissa, Lead Instructor 

Marissa has lived in Charlotte, North Carolina her whole life. She has an Associate of Science degree from Rowan-Cabarrus Community College. Currently, she is enrolled at UNCC to pursue a major in Mathematics of Middle Grades Education. She loves the atmosphere of encouragement that Mathnasium cultivates and delights in seeing the excitement and confidence of students as they grasp new students. Marissa has two siblings and enjoys working with younger students as she leads the preschool ministry at her church on weekends. 

Fun Fact: Marissa is a black belt and used to be a Tae Kwon Do instructor.

Leroy, Lead Instructor 

Leroy was born in Washington DC and raised in eastern North Carolina. He attended UNC Greensboro where he received a bachelor's degree in mathematics with a focus on secondary teaching. While Leroy was in college, he worked for the math department tutoring students and assisting the professor. Since then, Leroy has taught and tutored middle and high school students. Leroy currently teaches Math I here in Charlotte.

Fun Fact: Leroy has studied abroad in Spain and has done some missions work in Ecuador.

Amanda, Instructor 

Coming Soon!



Sanha, Instructor 

Sanha was born and raised in Charlotte, North Carolina and currently attends Merancas Middle College High School, where he is able to take both high school and college courses. Sanha has always loved math and is currently taking AP Calculus BC. Sanha is still unsure about what he plans to study after high school but is considering majoring in mathematics, education, or religious studies at a four-year university. Besides math, Sanha enjoys playing tennis and basketball, running and spending time with friends and family.

Fun Fact: Sanha can speak Korean as his family moved from Korea around 20 years ago


Saafa, Instructor 

Coming soon!



Samuel, Instructor 

Coming Soon!






Naomi, Instructor 

Coming soon!






Robert, Instructor 

Robert was born and raised in Cleveland, Ohio. He attended the University of Toledo in which he double majored in Applied Mathematics and Communication. During his time in college, Robert was elected as The Black Student Union President for two years, in which the organization was able to raise over $10,000 in scholarships. Robert is also currently a Second Lieutenant in the Army National Guard, as well as a high school math teacher here in Charlotte.

Fun Fact: Robert lived in Germany for three years as a child.

Seka, Instructor 

Coming soon!


Venky, Instructor 

Venky was raised in the greater Charlotte area and attends Cox Mill High School. He is the president/founder of Science Olympiad, president of Math Club, and organizes events at his school. Outside of school, he is a youth soccer referee for Odell Rec. Sports. Also, he enjoys working with and teaching children. His passion for math led him to dual-enroll in math classes at UNC Charlotte. In college, he hopes to pursue an engineering degree.

Fun Fact: Venky enjoys modern hip-hop and rap and prefers movies over books.


Chris, Instructor 

Coming soon!