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.

Kristine Matsushita

Assistant Center Director

Kristine earned her Bachelor of Science in Industrial Design from De La Salle–College of Saint Benilde. She is a proud parent of two children who attend Mathnasium and enjoys being part of a team that helps students grow in confidence every day. 

Kristine brings creativity, organization, and heart to her role. She finds joy in seeing students proud of their accomplishments and strives to contribute to Mathnasium’s positive learning environment. Outside of work, she enjoys cooking, playing pickleball, and spending time with her family. 

Roula Nahouli

Lead Instructor

Roula is a passionate math educator and mother of four. Her love for mathematics began early and evolved into a fulfilling career in education. She brings extensive experience and a joyful, effective approach to working with children. 

Roula believes math should be engaging and rewarding. Outside the center, she enjoys outdoor adventures like climbing and swimming. Her time with family brings her the greatest happiness, and she is deeply grateful for every moment spent with them. 

Magdalena Dewi

Instructor

Magdalena loves working with children and inspiring them to see their potential. She enjoys helping students use math as a tool to discover their abilities and build confidence. 

Her teaching style is warm and supportive, making math approachable and fun. In her free time, Magdalena enjoys singing, listening to music, watching dramas and kung fu movies, and treating herself to cake and boba. 

Clarissa Suryapranata

Instructor

Clarissa is a Biomedical Engineering student at Pasadena City College who has always found math exciting and rewarding. Her passion lies in showing students how fun and fulfilling math can be. 

She enjoys creating strong, supportive connections with students and celebrates their growth over time. Outside of Mathnasium, Clarissa enjoys spending time with friends and family while exploring her interests in STEM. 

Benjamin Anderson

Instructor

Currently attending: Cal Poly Pomona

Major: Computer science and math

About me: Hello! I am Ben, I am a computer science major with a minor in math. I've been tutoring students for over 4 years because I want to foster in others the same love for math that I have. My plans are to enter the QA field, since I've always liked how much you can glean about software through glitch exploitation. In my free time, I listen to music, read, and talk to my friends.

Carlos Miranda

Instructor

Graduated from: California State University, LA

Degree: Applied mathematics

About me: Hello! I'm Carlos Miranda. I have a passion for working with students that stems from my experience in my high school debate team, working with other high school debate teams and tutoring during college. After acquiring a bachelor's degree in Applied Mathematics from Cal State LA, I am working on improving my ability to teach mathematics. I hope to give knowledge and inspiration to students who are working to improve their math skills by providing a safe and positive space to do so here at Mathnasium. Aside from math, I enjoy spending my time going to the gym, listening to music, and using my computer.

Justin Phung

Instructor

Graduated from: California State University, Long Beach

Degree: Computer science 

About me: Hello, my name is Justin Phung. I love working at Mathnasium because I like math. My goal in tutoring here at Mathnasium is to extend that joy to other children who may not share that sentiment initially. I aim to do this by creating a fun and engaging space to learn.

Peter Nguyen

Instructor

Hello, my name is Peter. Throughout my life, I’ve always had a burning passion for mathematics. I love understanding different math concepts and the logic behind them. I always try to be involved in any math programs that my schools offer. Some math extracurriculars I have been a part of are math clubs, competitive math teams, and math peer tutoring. I enjoy working with students because it gives me the opportunity to share my passion for math with others and help them throughout their academic journey.

Trevor Han

Instructor

Currently attending: Citrus College

Major: Math

About me: Hi! I'm Trevor. My hobbies include basketball, tennis, and speed cubing. I love working at Mathnasium because I enjoy math and helping others learn. Watching students improve their math skills is very fulfilling to me, and I hope to help as many students as I can.

Christine Majarian

Instructor

Graduated from: UC Irvine

Degree: Aerospace engineering

About me: I received my degree in engineering from UCI in 2024. I enjoy playing tennis in my free time. I love math because it is a universal language.

Sophia Zhang

Instructor

About me: I love math because of the sense of accomplishment after working through a difficult problem and finding the right answer. Helping and seeing others find that same sense of accomplishment makes math even more meaningful and enjoyable to me. Besides math, I also love photography, dancing, and listening to music!

Kathy Bai

Instructor

About me: Hi! I'm Kathy. Throughout my academic career, I've always viewed math as an adventure, a way to explore my passion and excitement for problem solving. Whether it's learning a new topic or dissecting the intricacies of a problem, I hope to create a space where each student feels confident, growing not only as a learner but as an individual as well!

Nikhil Vemuri

Instructor

About me: Hi! I'm Nikhil. I joined Mathnasium because I've always enjoyed math and its neighboring disciplines, I want to become a better teacher, and I believe that laying a solid mathematical foundation is one of the most impactful things you can do for a kid. I did my studies in computer science and physics, and my master's research in quantum computing and cryptography. Nowadays I spend most of my time programming, especially on things like compilers and game engines, but I also do a good amount of reading, calisthenics, and trying to figure out how to make better coffee.

Michelle Lin

Instructor

Currently attending: California State Polytechnic University, Pomona

Graduated from California State Polytechnic University, Pomona

Major: Math (Pure math and Applied math)

About me: Hello! My name is Michelle. I earned my bachelor’s degree in Pure Mathematics from Cal Poly Pomona and am now completing my Master’s in Applied Mathematics. I expect to graduate in December 2025 and am also applying for a Single Subject Credential in Mathematics. I’m passionate about teaching and committed to helping students enjoy and succeed in math.

Brandon Lu

Instructor

Currently attending: Cal Poly Pomona

Major: Mechanical engineering

Hi, my name is Brandon. I am currently attending Cal Poly Pomona as a Mechanical Engineering major. I've always wanted to help the younger generation learn math and improve their logical thinking skills and working here has helped me achieve that goal. My love for math comes from my passion for solving mysteries and challenging myself. In my off time, I'm usually playing basketball, attending card shows, working on my car, or getting my motorcycle license.  

Allison Tai

Instructor

About me: Hi, my name is Allison! I enjoy shopping, drinking matcha, and going on study dates with friends. I love working at Mathnasium because of the environment. Talking to students and helping them understand new math concepts make my day. I’ve always enjoyed math and found it easy to understand. Teaching younger students to view math as something they can enjoy is my end goal!  

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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