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.
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.

Stef graduated with honors from Grand Canyon University with a Bachelors of Science in Health Science. She has extensive experience in education, having worked in multiple school districts across Pomona Valley. Stef is passionate about creating a safe space for all students, especially those who are struggling, to help them reach their full potential. She joined Mathnasium so that she could help instill confidence in her students and ensure that they believe in themselves to succeed in whatever they put their minds to. In her free time Stef loves to read, watch soccer, and build legos. She also enjoys spending her days with her fiancé, her family, and her pets, Beckham and Mina.
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 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 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 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 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 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 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 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 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 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.
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.
Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

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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