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.

Daniela Mesa

Assistant Center Director
School Attended: University of Southern California Major: Pure Mathematics Hobbies and Interests: Music, going to the gym, going on walks, and makeup What I love about Mathnasium: I love getting to make math learning more fun for kids. Teaching math is such a great thing. With Mathnasium Since: May 2022 Interesting Facts: I love going to concerts and theme parks. I have about 8 orchids and I love rescuing new ones. I have a Coca-Cola collection, but I don't drink soda.

Darron Cunanan

Lead Instructor
School Attended: Cal State University, Los Angeles Major: Sociology (M.A.) Hobbies and Interests: Cooking, Fencing, Magic the Gathering, and Playing Music What I love about Mathnasium: I like how Mathnasium helps achieve “ah-hah” moments, but also alleviates students’ math anxiety in the long term. With Mathnasium Since: April 2017 Interesting Facts: I look to teach Sociology at the Community College level in the future. At the moment, I work as a research assistant for a couple of projects at CSULA.

Rochelle Hizon

Lead Instructor
School Attended: California State University - Los Angeles Major: Biology Hobbies and Interests: Drawing and reading What I love about Mathnasium: I love that I could use what I know about Math to teach kids and to help them gain confidence when facing the concepts. With Mathnasium Since: July 2020 Interesting Facts: I love going to theme parks, specifically ones that have a lot of thrill rides like roller coasters.

Fernanda Cermeno

Instructor
School Attended: University of California, Riverside, Pasadena City College Major: Biology (B.S.), Licensed EMT, EKG Certified Hobbies and Interests: Coffee Enthusiast, Panda (Favorite Animal) With Mathnasium Since: January 2021 What I love about Mathnasium: I love that I can spread my knowledge to all Mathnasium as well as teaching Math in different ways. I enjoy seeing all the student progress throughout their time at Mathnasium. Interesting Facts: Played the trumpet in middle school, licensed EMT & Phlebotomist, can solve a Rubik's cube.

Robert McCreary

Instructor
School Attended: University of California, Riverside Major: Business Economics Hobbies and Interests: Basketball, Video games, and Hiking What I love about Mathnasium: The great kids who come in and the friendships I’ve built with the staff over the years. With Mathnasium Since: July, 2017 Interesting Facts: I have a twin sister, and I was the tallest person at my high school.

Russell Hizon

Instructor
School Attended: University of California - Santa Barbara Major: Math Hobbies and Interests: Basketball What I love about Mathnasium: I appreciate it as a platform that helps young minds understand how to use math as a tool. I loves working with our students because they are funny. With Mathnasium Since: December 2019 Interesting Facts: Stocks

Susan Foreman

Instructor
School Attended: Azusa Pacific University, Pasadena City College Major: College Student Affairs, M. ED ; Math, AA Hobbies and Interests: K-pop and K-drama What I love about Mathnasium: I love the mission statement of Mathnasium which is, to help math make sense to kids; which will lead to building confidence in math, paying attention to details, and developing a life-long love of math. With Mathnasium Since: August 2019? Interesting Facts: I am a self-proclaimed foodie, constantly exploring new trendy cuisine and Tik-Tok recipes. Lastly, jalapenos are a must have side-dish for each meal.

Christian Billings

Instructor
School Attended: University of La Verne Major: Physics (M.A) Hobbies and Interests: Baseball, Football, Science, sports, basketball What I love about Mathnasium: I extremely love the friendly and welcoming environment. It is a beautiful feeling to be around like-minded individuals. With Mathnasium Since: January 2022 Interesting Facts: I am ambidextrous. I am a current graduate student in physics in a unique out of state program.

Alexander Weitzel

Instructor
School Attended: University of California, Santa Barbara Major: Biopsychology (B.S.) w/ Minor in Applied Psychology Hobbies and Interests: Ballroom and Latin Dancing, Cats, Jazz Piano, and Video Games What I love about Mathnasium: I love getting the students to laugh while also helping guide them on their Math journey. I like how structured the Mathnasium program is, and how everyone who works here is team-oriented and kind. It is also great to feel my own math abilities getting sharper as I teach! With Mathnasium Since: November 2020 Interesting Facts: My Latin dance team won 1st place at a competition in San Francisco! I have held a handstand for at least 30 seconds, and I am teaching myself to play the guitar. I hope to do Neuroscience research in the near future... while also teaching and dancing as much as I can!

Douglas Loo

Instructor
School Attended: San Diego State University, Azusa Pacific University Major: Business Finance Hobbies & Interests: Basketball, Carpentry, Motorcycles, Mountain Biking, and Wrestling What do you love about Mathnasium?: I like the atmosphere. It's very positive and kids feel safe to participate. The staff and students have been a pleasure to work with. How long have you been with Mathnasium?: October 2022 Interesting Facts: Coached a National Champion Cadet Girl Wrestler. She won Nationals in Oklahoma City. I was born in Amityville, New York, same at the movie.

Andrew Molina

District Manager
Andrew graduated from the University of San Diego in 2016 with a bachelor’s degree in Economics. After graduation, he joined the team at Mathnasium of South Pasadena as a Math Instructor. After moving his way up to Lead Instructor and Assistant Center Director, Andrew became the Center Director for the Mathnasium of South Pasadena. Due to the wonderful time he had managing the South Pasadena center over the course of 3 years, Andrew looks forward to his new role as District Manager. As District Manager Andrew will oversee the management of the Mathnasium centers located in Monterey Park, Pasadena, San Marino and South Pasadena. He is excited to continue to provide top tier customer service at each Mathnasium location as well as helping to build his students’ confidence so they can succeed at any goal they set for themselves.

Xavier Ruiz-Pantoja

Education Specialist
Xavier has been with the Mathnasium team since September 2014. Not only does Xavier have a passion for the subject of Mathematics, his zeal for the subject is shared daily with our students. As Education Specialist, he is in charge of all student learning plans and directing the Instruction team to best help students meet their goals. He attended Cal Poly Pomona where he has studied both Applied Mathematics and Accounting. What he loves most about Mathnasium is sharing in the joy that our student's feel when "a once confusing concept finally makes sense!"

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!

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