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.

Nick Van Vliet

Operations Director

Nick earned his Bachelor’s Degree in Business Finance from Cal State Northridge and joined Mathnasium in 2014 after being inspired by its impact on students. He served as Center Director in Irvine for two years before taking on the role of Operations Director, now overseeing four centers including Diamond Bar. 

Nick is committed to fostering an engaging and encouraging learning environment where students can build confidence, challenge themselves, and enjoy math. Outside of Mathnasium, Nick enjoys sports, snowboarding, BBQs, reading, and competing in just about any game you can think of. 

Sherin Yueksel

District Manager

Sherin graduated from the University of California, Berkeley, with a Bachelor's Degree in Economics. She first started at Mathnasium as an instructor in 2021. She was quickly promoted to Assistant Director and even helped establish Mathnasium of Valencia. Sherin has pursued a career at Mathnasium because she wants to make an impact in her community and she wants to help as many students as possible. She is passionate about creating a welcoming environment where every student feels comfortable, confident, and can strive for excellence. In her free time, she loves spending time with her family, shopping, and making new recipes.

Paul

Instructor

Paul has a Bachelor's in Computer Engineering and a MBA from the University of Houston. Paul is very passionate about teaching. He loves to connect with students of all ages and help them overcome math challenges through his knowledge and life examples. In his leisure time, Paul likes working out at the gym, travelling, researching cars, and spending time with family.

Natalie

Instructor

Natalie is a recent graduate from UC Riverside where she earned a Bachelor's degree in Business. She enjoys helping students understand challenging topics and watching them grow more confident in math. In her free time, Natalie enjoys drawing illustrations, hanging out with friends, and watching tv shows.

Eric

Instructor

Eric is a current sophomore at Mt. SAC, he hopes to transfer to a 4 year university and pursue a career as a doctor. He originally attended Mathnasium as a student and later became an instructor so he could help contribute to the positive atmosphere and help students understand math. In his spare time, Eric enjoys baking, playing video games, and building lego models.


Shannon

Instructor

Shannon is currently a Junior pursuing her bachelor’s degree in English at Cal Poly Pomona. She loves teaching kids and watching them grow as they become more confident with their skills. She cherishes making personal connections with the students to help create a safe place for them to feel understood and supported. She plans to get her teaching credentials and become a teacher. In her free time, she enjoys drawing, playing video games, and spending quality time with family.

Calista

Instructor

Calista recently graduated from the University of California, Irvine, where she earned her Bachelor’s degree in Human Biology. She hopes to become a pediatric dentist one day and is especially passionate about working with kids. Calista currently volunteers at CHOC Children’s Hospital and regularly helps out at free pediatric dental clinics. In her free time, she loves playing games with friends, going to the gym, and spending time with her family.


Jacob

Instructor

Jacob is currently dual enrolled as a senior at Ayala High School and Mt. Sac as an Electrical Engineering major. He first began tutoring in middle school, and since then has found a love for helping students achieve their goals. In his free time, he enjoys spending time with his dog, playing video games, hanging out with friends, and watching anime.

Rohan

Instructor

Rohan is currently a sophomore at Santa Ana College, hoping to transfer to UCLA next fall with a double major in economics and data science. With extensive experience in mentoring students, he is committed to building students’ confidence and unlocking their full potential at Mathnasium. Rohan is passionate about helping students explore math from a fresh perspective and takes pride in watching them tackle and understand difficult concepts. In his free time, Rohan enjoys spending time with family and friends and playing tennis.

Francisco

Instructor

Francisco recently graduated with his Bachelor's Degree in Applied Mathematics with a specialization in Computing from UCLA. He is currently pursuing a Master’s in Applied Mathematics at UC Riverside. Francisco initially became an instructor at the Mathnasium of Diamond Bar in 2019, before leaving for college, and is excited to return and continue to help students achieve their goals. Outside of work, Francisco enjoys spending time with his friends, playing with his dog, and building LEGO sets.

Karim

Instructor
Karim recently graduated from diamond bar high school and currently attends Mt. SAC as a computer engineering major. Through taking both Calculus AB and BC in high school, he solidified to himself his love for mathematics, and officially decided to pursue a math-related major in college. Teaching those who struggled in a subject that he personally felt he had a deep understanding of was always something that felt rewarding and even fun to Karim, leading him to seek out various independent tutoring jobs in the past, and eventually, Mathnasium as his ideal part-time job. In his free time, Karim likes to play guitar, train martial arts like wrestling and jiu-jitsu, and spend time with his friends.

Justin

Instructor

Justin recently graduated from Chino Hills High School, where he took AP Calculus AB and BC, and is currently pursuing a bachelor’s degree in Mechanical Engineering at Mt. Sac. Justin enjoys learning about math, since to him, solving math problems is like solving fun puzzles. In high school, he would help his friends with math homework, and through this, he not only found a passion for teaching others, but also for spreading his love for math. At Mathnasium, Justin strives to teach students about the wonders of math. In his free time, he enjoys playing the piano, listening to music, playing golf, and rock climbing with his friends.

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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