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.

Kathleen U-M

Assistant Center Director
Kathleen is the Assistant Center Director at Mathnasium of North Fontana. She holds a Bachelor of Science Degree in Psychology and a Teaching Credential for Mathematics Secondary Education. With four years of experience as a middle school math teacher, Kathleen's genuine love for math and her passion for helping students understand challenging topics shine through. She thrives in a classroom setting, which inspired her transition to our center. In her free time, Kathleen enjoys hiking, walking outdoors, playing Disney video games, and baking desserts.

Matthew B

Assistant Center Director
Matthew is currently attending California State Polytechnic University, Pomona majoring in Mathematics with a concentration on Secondary Teacher Prep. After graduation, he plans on enrolling in a credential program to work towards becoming a math teacher. Throughout high school, he worked with children at his church and karate academy and in college, he tutored high school students in mathematics. His favorite part about teaching mathematics is the satisfaction in seeing his students succeed through their own effort and hard work. In his free time, Matthew enjoys designing and folding origami.

Daniel B

Lead Instructor
Daniel is a skilled professional who graduated from Southern New Hampshire University with a BS in Game Programming and Development. With a background as a former youth leader teaching middle school students and a passion for music as a professional musician and audio engineer, Daniel brings a unique perspective to his role at Mathnasium. He finds great fulfillment in witnessing students' amazement as they discover the simplicity of math concepts. Outside of work, Daniel enjoys playing Destiny 2 and Diablo 4, recording music, building websites, and playing video games.

Alexander M

Lead Instructor

Diego G

Instructor

Eric G

Owner/Managing Director
Eric is the Owner and Managing Director at Mathnasium of North Fontana and Mathnasium of Corona. He has an MBA from California State University of Fullerton and a Bachelor of Science in Chemical Engineering from University of California at Irvine. Eric started his career as an Engineer in the Chemical and Aerospace Industry and later transition into management role in a publicly traded Pharmaceutical Company. After decades of working in the corporate world, he decided to pursue his dream of starting his own business. He currently owns other businesses but his passion for teaching and working with children led him to Mathnasium. There is nothing more rewarding than coaching and guiding a young mind and watch them learn and grow. The Mathnasium method is in perfect alignment with Eric’s teaching philosophy where we focused on teaching for understanding and in a way that makes sense to the child.

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

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