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.

Maria Rosa

Center Director
Maria is a retired bilingual elementary teacher with a passion for Math and Science. She graduated from San Francisco State University with a degree in Physical Education and minors in Business Administration and Spanish. She enjoys working with children and seeing them flourish. In her spare time she enjoys sports, traveling with family and friends and spending time with her family and furry friends.

Mi Na

Assistant Center Director
Mi Na is a computer engineer by background and has tutored her 2 kids from K-12. She has excellent math skills and loves teaching young kids those skills. She is highly proficient in higher level math of Algebra, Geometry, Trigonometry and Calculus. She is also bilingual with English and Chinese.


Assistant Center Director
Izabella (Bella) is the lead instructor at Mathnasium of Union City. She is also a visual merchandiser with a BA in Fashion Merchandising and a minor in Arts Management. Mathematics has always been her favorite and best subject to learn and teach. She has an extensive tutoring background with all ages and grade levels and loves seeing the kids get more confident at Mathnasium.

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