Our Team at Mathnasium of San Marino

Adam Russell attended California State University, Los Angeles, where he majored in Computer Science. He has been with Mathnasium since August 2023. Working with students has allowed him to further his own understanding of mathematics, forcing him to approach problems in different and sometimes unorthodox ways. In his free time, his hobbies and interests include playing MMOs and TTRPGs, creating digital art, and solving puzzles. An interesting fact about Adam is that he has been slowly writing a plot for a book for the last four to five years.

Derek Leung attended the University of California, Santa Barbara, where he earned a degree in Financial Math and Statistics. He loves helping students develop their skills and build confidence when facing new topics and academic challenges. As an Eagle Scout, he values the opportunity to pass on his knowledge to others and feels most rewarded when seeing them succeed. Moreover, he enjoys inspiring students by showcasing his own proficiency in math.

Derek has been with Mathnasium since October 2025 and has worked with the San Marino location since February 2026. His hobbies and interests include fitness, technology, videogames, concerts, and learning new things. An interesting fact about Derek is that he is a former competitive swimmer and worked for an AI startup during college.

Caleb has been with Mathnasium since November 2022. A Nursing student at Pasadena City College, he loves helping students expand their skills and reach their potential. Outside of the center, Caleb enjoys reading, cooking, and volunteering, having previously helped build homes for the homeless.

Katryna joined Mathnasium in November 2024 and is a Hospitality Management major at Cal Poly Pomona. She loves the center's collaborative and friendly environment. Outside of work, she is an avid traveler who has visited over 10 countries and enjoys basketball, hiking, and baking.

Bryant attended Pasadena City College where he majored in Biochemistry. What he loves about Mathnasium is making a positive impact on the community and supporting kids on their math journey. He has been with Mathnasium since September 2024.

In his free time, he enjoys playing competitive video games and sports, mostly basketball and football. His favorite sports players are Austin Reaves and Stefon Diggs. He also loves everything related to biology and the sciences of life. An interesting fact about him is that Polo G is his favorite rapper.

Benjamin joined Mathnasium in November 2024 and is a Computer Science major at Cal State LA. He loves that the center provides a fun environment where students can build confidence in their math skills. An early tech enthusiast, Benjamin first used a computer at age two; today, he enjoys playing video games, reading, listening to music, and collecting figures.

Quin joined Mathnasium in March 2025 and is currently studying Music (Jazz Trombone) at Los Angeles City College. He finds it incredibly fulfilling to help students overcome challenges and achieve breakthroughs in their learning. In his free time, Quin enjoys music, anime, Marvel comics, DJing, and exploring urban design. An interesting fact about him is that he can bend both of his thumbs 90 degrees backward at will.

Ivan joined Mathnasium in March 2025 and is an Applied Mathematics major at Pasadena City College. He enjoys the center's collaborative environment and the welcoming nature of the instructors. Outside of work, Ivan stays active by playing basketball and visiting the gym four times a week. He also has a passion for solving math puzzles and attended high school in China, making him a great resource for anyone curious about the school system there.

Yoon joined Mathnasium in August 2025 and is a Mechanical Engineering major at Pasadena City College. He loves getting to know his students and enjoys the challenge of working through different levels of math every day. In his free time, Yoon enjoys movies, music, and creating crafts out of recycled materials like bottle caps. He also plays the guitar and uploads covers to YouTube as a masked character.

Ashlyn joined Mathnasium in August 2025 and is a student at San Marino High School with an interest in the health field. She enjoys working with students in a fun environment and loves seeing them stay motivated while solving math problems. In her free time, Ashlyn likes drinking milk tea, going on walks, and learning about cars. She also has a pet bunny.

Linda attended the University of Washington where she majored in Finance. What she loves about Mathnasium is that it gives her the opportunity to make a meaningful impact in children's lives through math. She has been with Mathnasium since September 2025. In her free time, she enjoys cooking, reading, and traveling. An interesting fact about her is that she likes reading science fiction and fantasy novels.

Rick attended California State Polytechnic University, Pomona, where he majored in Biochemistry. He enjoys how Mathnasium helps students challenge themselves with difficult topics and empowers them to solve problems independently. He also values the way the environment allows both students and instructors to refine their math skills while working with a supportive staff team. 

Rick has been with Mathnasium since October 2025. In his free time, he likes driving, looking for research projects, and exploring music, movies, and all STEM-related subjects. An interesting fact about him is that he enjoys socratic discussions and will stay focused on a math problem until it is solved, though he admits he still eats Panda Express orange chicken despite not liking it.

Audry M attended Cal Poly Pomona where she majored in Computer Engineering. What she loves about Mathnasium is that it teaches students how to do math on a deeper level while making the process fun through mini games. 

She has been with Mathnasium since November 2025. In her free time, she likes to work on engineering projects and try different coffee shops in Los Angeles. An interesting fact about her is that she has tutored children for almost 10 years.

Roman G attended Glendale Community College where he majored in Mechanical Engineering. What he loves about Mathnasium is that he gets to share his passion for math with others. He has been with Mathnasium since December 2025. In his free time, he enjoys going to the gym and playing the guitar. An interesting fact about him is that he likes cars.

Evelyn Q attended UC San Diego where she majored in Bioinformatics. What she loves about Mathnasium is the personalized approach used to support each student's learning. She has been with Mathnasium since January 2026. In her free time, she likes to hike, draw, and read books. An interesting fact about her is that she once camped with alpacas on a ranch.

Andrew M attended the University of San Diego where he majored in Economics. What he loves about Mathnasium is working with all of his students and coworkers, and he enjoys visiting different centers to help them become the best they can possibly be. He has been with Mathnasium since December 2016. 

In his free time, he enjoys football, music, spending time with friends, and reading about psychology. An interesting fact about him is that he has played the guitar and drums since he was in middle school.