Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.

James Sullivan

Director of Center Operations

James is one of Mathnasium’s most experienced instructors and oversees Center Operations across the organization. His background includes undergraduate studies in pre-med with engineering coursework, fueling his appreciation for how math shapes both technology and the natural world. 

James loves showing students that math is everywhere, from the smartphones in their hands to the laws of physics. He finds his work at Mathnasium to be among the most rewarding of his career, especially watching students grow in skills and confidence while discovering their own appreciation for mathematics.

Virginia Theiss

Assistant Center Director

Virginia has been a Mathnasium instructor for several years and recently joined the Bethesda team as Assistant Center Director. She brings enthusiasm, energy, and a strong dedication to helping students succeed. 

Her favorite part of Mathnasium is building meaningful connections with students while guiding them through their math journeys. Virginia is passionate about creating a positive and engaging learning space where kids feel supported and motivated. Her commitment to the Mathnasium Method™ ensures students receive both the instruction and encouragement they need to thrive.

Our Mathnasium Mission

Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

Quote Quote
What I love about Mathnasium is the ability to teach problem-solving skills and make math make sense, while also making a student smile.
Amber W., Mathnasium Instructor

Schedule Your Math Skills Assessment Today

Student using math cubes to solve fractions
Student working with a math tutor at a local math learning center

Want to join the Mathnasium team?

Are you interested in changing lives through math? We're looking for outstanding individuals with a high level of commitment who are passionate about teaching math. Find out if there's a Mathnasium position that's just right for you!

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