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.

Michelle Maiers-Atakpu

Michelle has been a practicing Architect for over 30 years, using Math on a daily basis! She understands the importance of having a strong foundation in Mathematics so as to give a child unlimited options for his or her future. Michelle graduated from the University of Minnesota with a Bachelor of Architecture Degree. She and Peter have been married for over 40 years, have 2 grown children (one is a Math teacher!), 4 grandchildren and have lived in the White Bear Lake community for over 30 years. When she and Peter decided to open a Mathnasium Center, she knew they would be helping kids improve their Math Skills. What she didn't know is that once kids start to understand and excel in Math, their confidence soars, and many times their overall school grades improve. Kids who start out hating Math, and are resistant to enrollment at Mathnasium, find out that working on their Math deficiencies will help to make their current school work easier. Michelle is grateful to be part of a business that changes lives everyday!

Mary Rueter

Mary has over 30 years of secondary mathematics teaching experience. She has taught in the St. Cloud area for the last 25 years. Mary taught at both Cathedral High School and Saint John's Preparatory school. She has completed training in and taught both AP and IB advanced math courses. Along with classroom teaching, Mary coached the high school math team for many years. She was inducted into the Minnesota State High School Mathematics League Coaches hall of fame in 2021! Mary retired from classroom teaching in May 2021and moved with her husband to St. Paul. They chose to relocated to be near their three adult children, their children's spouses and grandchildren. Mary joined the staff of Mathnasium in September of 2021.

Lori Sevre

Lori has been teaching junior and senior high math for 30 years. After graduating with a BS in Secondary Education Mathematics, she lived in Michigan for 18 years teaching in a small private school where she taught many different math classes, coached several sports, and worked as a yearbook adviser. Her favorite class to teach was 12th grade Personal Finance where the seniors learned, among many things, to balance a checkbook, do their taxes, and to use credit wisely. After spending a year substitute teaching in the Twin Cities where her family resides, she moved to New York and taught Algebra I, II, Geometry, and Pre Calculus for 10 years. She has recently returned to MN to be with her family and has enjoyed teaching at Mathnasium. Favorite number: 8! My Birthday is the 8th month and I love that it is an even number. Favorite math joke: What did the acorn say when he was all grown up? Gee, I’m a tree! Fun fact: While living in NY, I attended over 20 Broadway shows. I love Broadway! In five years I will be: Continuing to educate young minds. I love Mathnasium because: I love the organization of it all, and I love that the young people are growing every time we meet. It is rewarding to see the “light come on” in each session.

Mark Rueter

Mark spent 32 years teaching seventh grade Pre-Algebra and Algebra. Mark enjoyed integrating kite design and flying into Trigonometry, Fantasy Baseball into Statistics, Transformation Golf onto Geometry, and numerous hands on activities to develop the meaning of mathematical concepts. Mark also coached the MathCounts and Junior High Math teams. In 2021, Mark and his wife, Mary, moved to St. Paul to be closer to their children and grandchildren. Away from Mathnasium, Mark likes to design and build in his workshop, go fishing and camping, and get out to explore. Mark enjoys working at Mathnasium because he can engage with motivated students who want to better understand mathematics.

Caleb Vollhaber


Grant Erickson


Michelle Babb

Michelle has been teaching in elementary schools for the past 4 years, including at an international school in Kazakhstan. She has also coached youth soccer and volleyball. Currently, she is working on completing her masters in elementary education. She loves being able to help students reach their goals and realize just how much they can accomplish. When she's not working with students on academics or sports, she enjoys going out for walks with her dog or sitting outside with a book.

Michael Zewdie


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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