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Our Team

Our specially trained math instructors will teach your child how to understand math in an individual setting; our unique approach enables us to explain concepts really well and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn! Read below to learn more about our talented team:

Wyatt Reinke, Center Director

Wyatt has been with the center for two years and has always had a passion for math. He has tutored math for students at school through his NHS membership, friends as an independent helper, as well as his own brothers. He is attentive to both parents and students, making sure to get a clear understanding of the student's math proficiencies and tailoring a program for their success. 

Marielly, Instructor

Marielly is a sophomore at Chandler-Gilbert and is majoring in mechanical engineering. She would also like to double major with education. After working at Mathnasium for two years, she has concluded that she loves working with children and will someday like to become a third greade teacher utilizing her passion for math.

Marielly loves making Mathnasium a warm and welcoming environment for all our mathletes. She beleives that by making a personal connection with students, math becomes less intimidating and a more comfortable subject to learn.

Harrison, Instructor

 Harrison is a senior at Benjamin Franklin High School who enjoys math. He takes several AP classes and also participates in sports, such as baseball and basketball. Harrison plans on attending ASU and graduating with a degree in accounting.

Jeff Unsworth, Instructor

Jeff is a sophomore at ASU. He enjoys the challeges of math classes and helping others to  succeed. After graduation he is planning on attending ASU and to earn a degree in engneering. Jeff enjoys working with kids having previous experence as a gymnastics coach and loves to see them succeed.

Jeff also serves as the Assistant Center Director of Mathnasium of Mesa North, responsible for updating student learning plans and ensuring steady progress. 



Karen Lossing, Owner 

Karen is the owner of Mathnasium of Queen Creek as of April 1, 2018. Prior to Mathnasium ownership, Karen worked as a 3rd, 5th, and Special Education teacher, math curriculum writer, and elementary school administrator, focusing on 21st Century learning. Karen has always loved math, and upon relocating from Texas to California, jumped at the opportunity to spend her day working with kids to make them more successful in the subject. Karen is enthusiastic about her team helping children in the Queen Creek community to truly understand math by teaching it in a way that makes sense to them. You may reach out to her any time with any questions. She is actively involved in our center.

Libby, Director of Operations

After a couple years of being a seasonal Mathnasium instructor, Libby graduated from UCLA in March 2017 and has joined onto our team as the Director of Operations. While she is no stranger to the instruction and tutoring aspects of our center, Libby focuses on the community involvement side of our center. So if you have any school events or sponsorship opportunities you would like Mathnasium of Queen Creek to be involved in, Libby is your girl! 

Education: Bachelor's Degree from UCLA; graduated high school in Texas

I love Mathnasium because: Seeing kids experience "ah-ha" moments every day is incredibly rewarding! Math is a subject that really opens career paths for students, especially now in the age of STEAM.