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.

Karen Santacruz

Owner
Karen graduated from Western Illinois University with a B.S. in Physical Education with an emphasis in Athletic Training. She has a Masters in Exercise Science and Cardiac Rehabilitation. Before starting a family, Karen taught physical education and was the Head Athletic Trainer at Stevenson High School. While raising their two boys, Karen taught part-time, coached her sons' sports teams, and volunteered her time in boy scouting. Karen loves working with children, and was excited about the opportunity to open a Mathnasium Learning Center!! She has always been a strong advocate for developing children and knows how important math skills are to the overall educational development of a child. "I've always been a firm believer in teaching kids in a way they can understand. This allows for a love of learning whatever the subject!! The Mathnasium method does this so well, and allows kids to ‘work out’ their minds!”

Betty Wang

Director of Operations
Betty graduated from New Trier High School and obtained her Bachelor of Science from Northwestern University in Biomechanical Engineering. Mathnasium's philosophy on learning and teaching resonated with Betty's belief that learning is at its best when it occurs in a nurturing environment where students can cast aside their fear and frustration. "Mathnasium offers an unique learning environment and individualized learning plans to helps students make sense of Math. It really makes math fun!"

Shaundrece Dixon

General Manager of Learning Centers

Colleen Major

Center Director
With a Bachelor's Degree in Elementary Education from Butler University, specializing in Multilingual Learners and Special Education, Colleen Major brings a wealth of experience to our center. Her background includes teaching 3rd and 4th grade, as well as spearheading STEAM programs for several years. Outside of work, Colleen loves spending quality time with loved ones, diving into captivating books, and embarking on nature hikes.

Christina Walter

Assistant Center Director
Assistant Center Director

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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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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