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.
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.

Jake is the Center Director at Mathnasium of Crystal Lake and has been part of the team since its opening in April 2014. Starting as an Instructor, he quickly progressed through leadership roles thanks to his deep passion for teaching and student success. He specializes in geometry and has personally worked with every geometry student at the center for nearly a decade.
Jake finds great fulfillment in watching students transform their attitudes toward math. Outside of Mathnasium, he enjoys playing music, skateboarding, snowboarding, fishing, and cheering on his favorite football teams.
Mike and Joanna Ammer are the owners of Mathnasium of Crystal Lake. Mike spent over 30 years in the automotive industry, advancing to Director of Fixed Operations, while Joanna has over 25 years of experience managing veterinary practices.
As parents of four, two of whom struggled with math in school, they understand the challenges families face. Their personal experiences inspired them to open a Mathnasium center and help other children succeed. They are committed to building a nurturing environment where students discover that math can be both fun and empowering.
Ryan is the Assistant Center Director at Mathnasium of Crystal Lake. He graduated from the University of San Diego with a degree in Integrated Engineering, focusing on Biomedical Engineering. Ryan has been part of the Mathnasium family since 2018 and brings a supportive, encouraging presence to the center.
He especially enjoys watching students overcome past challenges and gain lasting confidence in math. Outside of work, Ryan enjoys playing soccer, listening to music, gardening, and watching both sports and movies with friends and family.
Jessica is a passionate Instructor at Mathnasium who brings years of experience from the classroom. She graduated from Northern Illinois University in 2007 and currently teaches 6th–8th grade math at St. Margaret Mary in Algonquin. Prior to that, she worked as a paraprofessional supporting students with autism.
Known for her love of math puns, Jessica’s students affectionately call her a “math nerd.” She enjoys making learning engaging for all ages. When she’s not teaching, she spends time with her six nephews and one niece, who always keep her on her toes.
Adam is an Instructor at Mathnasium and a current student at Elgin Community College, where he is pursuing a transfer degree with plans to study biochemistry. He enjoys helping students apply math in real-world contexts and loves learning new math techniques along the way.
His favorite subjects in high school were Algebra and Calculus, especially because of their practical applications. Outside of Mathnasium, Adam enjoys building with LEGOs, going for runs, and playing video games. His enthusiasm for both math and learning is clear in every session he leads.
Landon is currently studying at McHenry County College and plans to transfer to the University of Illinois to earn his bachelors in nuclear engineering. After graduating he plans on either earning his masters or working at Oak Ridge National Laboratory in Tennessee. At some point in his life he wants to start blacksmithing, making tools and swords and such simply because it sounds awesome. When he is not at work, he is either playing factory building games or chess. Nearly everything he does in his life involves math and he’s happy to share his knowledge with anyone he works with. His favorite subject is calculus because of all of the real world applications it has.
Shanzeh is a junior at Prairie Ridge High School and she is currently taking Precalculus as a prerequisite for AP Calculus AB. Her favorite subject has always been math because of how it is defined and specific, closely followed by science. She intends to pursue a career in healthcare and attend medical school to follow her passion for helping others. In her free time she loves to play tennis and run. She also enjoys working with kids and especially seeing them change their minds about math as they begin to understand it.
Deyan is a Senior at Crystal Lake South High School. After he graduates he plans to pursue higher education. His favorite number is 13. Outside of work Deyan enjoys reading books, working out, and hanging out with friends. Deyan's favorite part about working at Mathnasium is interacting with the students and helping them improve
Bryan graduated from the University of Michigan with a degree in Sports Medicine. At Grand Valley University he earned his teaching certification in math and sciences. Illinois is the fifth state when Bryan has lived. In his spare time Bryan likes to play cards, solving number and word puzzles on his phone, being outdoors and reading. His favorite irrational number is phi. He recently learned that 108 is a really cool number. His favorite part of working at Mathnasium is all of the students. He loves the variety of math they are mastering and helping them with any challenges they incur.
Sasha is a sophomore at Prairie Ridge High School. She is currently enrolled in Honors Precalculus. She loves math because it is always constant and applies to real life situations. She is hoping to pursue a career in Pediatrics because she loves working with children. In her free time, she enjoys reading, playing volleyball, swimming, and spending time with family and friends. Sasha’s favorite part about working with Mathnasium is developing relationships with the students and helping them further improve their understanding of math.
Owen is a senior at Cary-Grove High School. He is educated through AP Calculus BC. Once he graduates, he is planning to go into the HVAC field and continue to use math in his everyday life. Owen was born in Idaho and moved to Illinois when he was 10. His hobbies include playing sports for his high school team, such as football and lacrosse, he also enjoys working on cars and small engines. Owen’s favorite number is 27 and he’s had a love for math from a young age because there’s only one answer, but many different ways to get there. His favorite part about working at mathnasium is helping math “click” and make sense to students.
Aarya is a junior at Crystal Lake Central and is taking AP Calculus AB and will also be taking AP Statistics. Math has always been her favorite subject because she loves problem solving and applying math to real-life situations. In the future, she wants to pursue a career in healthcare because she loves helping others and making a difference in people’s lives. In her freetime, she volunteers at the hospital, plays tennis, and spends time with her family and friends. Aarya loves working at a mathnasium because she gets to help kids understand math and help them feel more confident in their abilities.
Shivam is a Junior at Huntley High School. He is currently enrolled in all honors courses as well as 4 AP courses. He plays Varsity Tennis and is on the Math Team for his school. He likes to hang out with friends and has been a student at Mathnasium before becoming an instructor. His favorite hobbies are building legos, playing video games, and collecting cool collectibles from his favorite shows. His favorite math subjects in school were Algebra and Geometry. His favorite number is 5. He enjoys teaching kids and helping them understand the concepts of math through Mathnasium’s curriculum!
Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

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