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.

Ei Khin

Lead Instructor
Ei is currently attending Cal Poly Pomona, where she is studying Visual Communication Design. Ei received a certificate in Web Design and Development. Ei is currently working on a special project at a start-up tech company called NolymitAI in Silicon Valley and will be joining the founding team after she obtains her degree. Ei was a Hoeft Scholarship recipient when she attended Arroyo High School and earned an Associate's Degree in Natural Sciences and Humanities at PCC. Ei enjoys baking and wants to master it in the future. She is an avid swimmer and loves to spend her free time listening to music, watching movies, building legos, and traveling.

Curtis McKendrick

Lead Instructor
Curtis graduated from Brigham Young University with a Bachelor's Degree in Mathematics. He is an Eagle Scout in the Boy Scouts of America and served 2 years in a humanitarian and ecclesiastical mission trips in Germany and Austria. Curtis enjoys teaching and is passionate in helping young students to enjoy and understand Math in a very fun, engaging and interactive way. In his spare time, Curtis enjoys reading and keeping up on the current astronomical events, particularly anyting related to the James Webb Space Telescope.

John Grafilo

Lead Instructor
John is currently pursuing a degree in Psychology in hopes to become a counselor or a therapist in the future. He just recently graduated from PCC with an associate degree in science but will pursue a counseling field that involves with guiding people through personal challenges and empowering them to achieve a healthier mind to reach their goals. During high-school, John worked at Kaiser Permanente’s Youth Program where he attended educational sessions and motivational workshops that introduced him to the possibilities of pursuing a career in health care. Additionally, he became an ambassador for PCC throughout his college years in which he found my passion in helping students learn the material and improve their academic performance. In his free time, John likes to play music, play sports, and be active with his family and friends. Since traveling is his biggest goal, he wants to be able to explore many places where he can also apply his knowledge in human services.

Jo Grafilo

Lead Instructor
Jo is currently attending Cal State LA, majoring in Biology. She held an Associate Degree in Natural Science in PCC and will be pursuing a medical degree to be a Registered Nurse. Jo works extremely well with our students, particularly the younger and early learners as she shares her passion in STEM to students at the center. In her spare time, Jo enjoys reading.

Christopher Wong

Chris is currently attending Pasadena City College, where he will be pursuing an Aerospace Engineering degree once he is transferred to a 4-year college. Outside of classroom, Chris was a superstar in the prestigious Arcadia High School band. He competed in the Finals of WGI Percussion and Winds World Championships 2022 in Ohio and also won a Bronze Medal in the Southern California Percussion Alliance competition earlier this year. In his spare time, Chris is learning to play guitar.

Kaylee Chandra

Kaylee is currently attending UCLA and majoring in Business Administration. In the future, Kaylee would like to focus on studying finance and investments. During her time at Temple City High School, Kaylee was part of many extracurricular activities, such as the Associated Student Body, Temple City High School Pep Squad, and Miss Temple City Ambassador Program. Kaylee has always enjoyed Mathematics and took Honors and Advanced Placement mathematics courses throughout high school. She hopes to show kids that Math is fun and entertaining. In her free time, Kaylee enjoys listening to music, crocheting, and having picnics with friends and family.

Sandra Lee

Sandra is currently attending PCC Honor's program, majoring in Psychology. She plans to transfer to UCLA as Psychobiology/Pre-Med major. Sandra is a seasoned instructor and has been very instrumental in helping students at the center. Sandra was the Public Relations officer in the Red Cross Club Cabinet and actively engaged in the UNICEF Club Cabinet during her senior year in TCHS. In her spare time, Sandra enjoys doing digital art, reading and playing video games.

Brent Ha

Brent is a UCLA graduate and currently getting his Teaching Credentials at CSULA. Brent enjoys teaching and inspiring students of all ages to strive and do well in Math and STEM. He loves to share his passion in every interaction that he has with students at our center. Brent enjoys gaming and has competed in various gaming competition. In his free time, Brent likes to stay active and ride his stationary exercise bike.

Ellie Hang

Ellie is currently a full-time student at Cal Poly Pomona with a focus on Psychology. She has recently completed Yale University's online Psychology courses. Outside of classroom, Ellie was the first chair violinist in a youth orchestra and participated in numerous festivals and concerts. In her spare time, Ellie enjoys reading thriller and romance novels, watching Korean shows, and baking. Some interesting things about Ellie, she skipped kindergarten and went straight to elementary school. Ellie enjoys working at Mathnasium because of the fun and intuitive interactions with the children, the playful yet focused environment, and the jokes that the students make!

Stephen Le

Stephen graduated with honors from UC Irvine as a double major in Psychological Science and Business Economics. He is currently studying to work in IT support by preparing for industry certifications. Stephen recently completed the Google IT Support Professional certificate course in preparation for the CompTIA A+ certification. Stephen believes that every student is capable of great achievement regardless of background as Math can be learned by any student with the right support and encouragement. In his free time, Stephen enjoys weightlifting, plays video games, and takes care of his family.

Ethan Poon

Ethan is currently attending Pasadena City College majoring in Data Science and Computer Science. During his high school tenure, Ethan participated in creating a curriculum around STEM focused program for K-12 students on a website that his friends started during the first half of their senior year in high school. In his free time, Ethan enjoys relaxing at home while listening to music or watching shows, or spending time 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.

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

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!

Explore Employment Opportunities