Mathnasium 411 E Ridgeville Blvd, Mt Airy MD 21771 (240) 552-9445

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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:


Matt Heineck, Center Director

Matt is a veteran teacher from Virginia with a passion for math and teaching, alike. From humble beginnings in remedial math classes, himself, he fell in love with the field of education while he was attending community college and working as a peer tutor. 

Favorite Number: 2112. 

Favorite Math Joke:
"Son: Dad, I'm cold!
Dad: Go stand in the corner.
Son: But, Dad! Why?!
Dad: Because the corner is 90 degrees."

Interesting Fact: On the weekends, I put on viking costumes and fight my friends with swords!


Cassie Womack, Lead Instructor

She is a 7th grade math teacher by day and a lead instructor here at our wonderful Mathnasium center by night! She attended University of California-Riverside and received a B.S. in Math for Teaching Secondary School. She is a mother to the most wonderful son and enjoys spending her time off exploring with him.

Favorite Number: 222 (the time her son was born 2:22pm)

Favorite Math Joke: Why can you never trust a math teacher holding graphing paper? They must be plotting something.

Interesting Fact: She was born and raised in Southern California and this is the first time she's moved away!



James Lynch, @Home Program Manager

James went to school at Towson University where he majored in Special Education with a Middle School Math track. He has been in love with math ever since Middle School where he entered math competitions which included 24 competitions. He worked as a special education instructional assistant in math classrooms. In his spare time he plays math games on his phone and will solve 24 cards for fun. 

Favorite Number: 5

Favorite Math Joke: Why was math class so long? Because the teacher kept going off on a tangent.

Interesting Fact about James: When James was in High School, he was sponsored to play Video Games. 


CenterDirectorKristen Ellis, Instructor

Kristen Ellis started geeking out on math at a young age and went on to major in mathematics in college. She has been a math educator for over 2.5 decades, teaching kids, teaching teachers, writing curriculum, running math clubs, and generally spreading math joy everywhere she goes.

Favorite Number: 24 (a beautifully composite abundant number)

Favorite Math Joke: Why is 6 afraid of 7? Because 7 “8” 9. (classic nerdy math joke)

Interesting Fact: Kristen ran in a Pi Race, which was 3.1415 miles on 03/14/15. She did not win the race, but won a chocolate pie for reciting the most digits of pi (over 100) in a fierce competition among many other mathletes.


Jayma Kessing

Jayma Kessing, Instructor

Jayma enjoys learning, painting in an abstract impressionistic style, creating and making things, being outdoors and spending time with family and friends. She has always loved Math and sees many things in terms of equations, graphs, and patterns in her mind. Helping her students develop problem solving skills that will help them in all aspects of learning and life's projects is one of her passions.
She especially enjoys teaching the patterns and strategies of elementary and algebraic math. 
Favorite math joke: Why is the equal sign so humble? It knows it’s not > or < anyone else.
Interesting Fact about Jayma: She once got paid to watch clouds.




Nikolai Weichbrod, Instructor

Nikolai is a college freshman at University of Maryland College Park and is majoring in International Business and Relations with an intent to go to law school. He has had experience tutoring younger and peer students as part of The National Math Honor Society at Urbana High School. He enjoys instructing the most when a student gets those “lightbulb moments” where they have just connected previous knowledge to the concept they are learning.
Favorite Number: 345 (The digits are not just sequential but also make up the first special right triangle!)
Favorite Math Joke: walked up to pi and said “Be RATIONAL!” Pi responded, “Get REAL!”
Interesting Fact: In his free time, Nikolai enjoys playing board games and Dungeons and Dragons.


Riley SheehyRiley Sheehy, Instructor

Riley is a freshman at UMBC majoring in computer science. He loves sports and animals, especially dogs. He loves teaching math because it’s his favorite subject and he want others to understand it better.

His favorite subject to teach is Geometry because everything works out so perfectly!

Favorite Math Joke: Why did the math book look so sad? Because it had so many problems.

Interesting fact: Riley has a black belt in Taijutsu!




Rani Patel, Instructor

Rani is a freshman at George Washington University, majoring in biomedical engineering. She loves art and graphic design almost as much as she likes math and science. She likes teaching math because she gets to help others build those connections between concepts and problem solving.

Her favourite subject to teach is algebra because it is a "melting pot” of math concepts and ideas.

Favorite Math Moke: Who’s the queen of the pencil case? The ruler.

Interesting fact: She uses British English spelling because she learned English in Ireland.



 Lucy Curtis-Cherry, Instructional Assistant

Lucy is a junior at South Carroll high school. She loves working with kids and helping them learn and grow. Lucy also loves to write, be creative, and hopes to major in journalism or political science.

Her favorite math subject is algebra and she likes using pictures and visuals to explain math concepts.

Favorite Math Joke: I had an argument with a 90° angle. It turns out it was right.

Interesting Fact: Lucy plays soccer and loves to snowboard in her free time!




Iris Ellis, Instructor

Scott Eudy, Instructor


We are always looking for fabulous Math Instructors who love working with kids!






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