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.

Migle Arambulo

Lead Instructor

Migle earned his B.S in Cognitive Science from UCSD. His favorite math topic is Optimizations, and he enjoys helping students see the beauty and logic in mathematical structures. Migle also brings creativity and rhythm to his teaching, drawing on his experience composing music.

When he’s not teaching or making music, Migle enjoys running, reading and exploring museums.

Timothy Legge

Instructor

Timothy is passionate about topics like Fourier transforms and Bayesian inference, and he loves sharing that curiosity with students. He is involved in creative writing and research at UCSD, and brings a thoughtful, analytical approach to instruction. Timothy enjoys making connections between complex ideas and everyday learning, helping students feel confident tackling challenging concepts. 

Outside the center, he enjoys listening to music and has collected wristbands for over a decade—often wearing around 20 at a time! One of his favorite math jokes is: Q: What did 0 say to 8? A: “Nice belt.” 

Bona Sung

Instructor

Bona is a full‑time student at UCSD, enjoys exploring how science and math intersect. Her favorite in math is Algebra, which she helps students break down into understandable steps. Bona is patient and encouraging, working to build both skill and confidence in every learner she supports.

Outside Mathnasium, she enjoys music and exploring new cafes. One of her favorite math jokes is: Q: Why did the obtuse angle go to the beach? A: Because it was over 90 degrees!

Mehdi Sajedi

Instructor

Britney Nguyen

Instructor

Britney is a full-time Computer Science student at California State University San Marcos (CSUSM). She has a passion for jewelry-making and enjoys building LEGO sets, particularly those from the Botanical collection due to their lasting beauty. Britney thrives on activities involving problem-solving, whether it is completing puzzles or tackling mathematical challenges, as she finds it highly rewarding to achieve successful outcomes.

Her favorite math joke is: "What do you call a snake that’s 3.14 meters long? A: A π-thon."

Katheryn Garrett

Instructor

Katheryn earned her B.S in Materials Science and Engineering with a minor in Math. Her favorite math topic is Multi-Variable Calculus. 

Outside Mathnasium, she sings and plays three instruments, adding creativity and rhythm to her teaching. She also enjoys horse riding and reading. When she is not teaching or playing music, Katheryn enjoys gaming and exploring new ways to make math both fun and memorable. One of her favorite math jokes: What do you call a student who’s great at Algebra? An X-pert!

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

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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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