Mathnasium 6021 N Palm Ave, Fresno CA 93704 (559) 449-0104

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Announcing Camp Mathnasium Summer Enrichment Camps! See the Promotions page for more details

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:

Karyn Songer, Center Director

Karyn attended Fresno State and obtained a bachelor's degree in Liberal Studies, with a minor in Science.  She also completed the credential program in 2002.  Karyn has tutored all throughout college and began working at a charter school in January, 2003.  There, she taught 6th grade for 7 years.  Karyn is excited about working at Mathnasium and showing students that when you understand it, math can be fun!


 Sarah Garner, Instructor

Sarah grew up in Fresno and attended Bullard High School.  She is currently an Applied Math and Computer Science major at Clovis Community College. Sarah discovered her love for teaching math after volunteering as a math tutor at Bullard High School.  She enjoys making math intuitive and building students’ confidence in their ability to solve hard problems.


Cooper Smith, Instructor


Cooper was born and raised in Fresno and graduated from Edison High School. He is currently attending California Baptist University studying Mechanical Engineering. He enjoys being able to make math accessible to all students and fun at the same time. Cooper hopes to one day work in the automotive industry.


Elizabeth Nicolet, Instructor


Elizabeth graduated Summa Cum Laude from San Joaquin Memorial High School. She now attends Fresno City College with plans of transferring to a 4-year university with the ultimate goal of becoming a Chemistry teacher. She loves working with kids and has always enjoyed and excelled in math from a young age.


Mackenzey Bejar, Instructor


 Mackenzey grew up in Clovis and attended Buchanan High School. She is currently studying Psychology at Fresno State, and plans to become a marriage and family therapist. Mackenzey discovered her love for teaching math when she began tutoring her classmates at Clovis Community College.


Daniel Hieng, Instructor


Daniel has been attending Fresno State as a Mathematics major. He has plans on becoming a Mathematics teacher at either the High School or College level. Daniel attended Corcoran and Golden West High Schools.  Daniel likes gaming and helping others.


Olivia Bozsum, Instructor



Sarah grew up in Fresno and graduated from Edison High School. She is a Biology major at Fresno City College,
transferring to Fresno State to complete her bachelor's degree. Her career goal is something in the realm of microbiology or zoology.


Nathan Martinez, Instructor





Andy Benitez Lopez, Instructor


Andy was born and raised in Fresno. He currently attends Fresno State and is majoring in Mathematics in hopes of one day becoming a Math teacher. He attended Edison High School, where through their engineering program, he developed a passion for science and technology, as well as community service. In his free time, he likes to play video games and paint. 



Jeremy Levie, Instructor


Jeremy grew up in Fresno.  He graduated from Yale University. Jeremy finds math to be fun and loves working with children. He thrives in the team teaching environment of Mathnasium.


Sebastian Herrera, Instructor

Sebastian grew up in Orange Cove.  He is attending Fresno State University, studying Math. Sebastian
loves working at mathnasium and seeing the progress of our students every day.

Emma Ledieff, Instructor

Emma grew up in Fresno and is home-schooled. She is a product of Mathnasium learning herself. She is eager to share her "insider" knowledge with Mathnasium students.


Shivani Pamula, Instructor

Shivani will be attending Brown University in the Fall. That makes her the second Ivy Leaguer at Mathnasium of North Fresno.



Rick Castrapel, Franchise Owner

Rick is a retired Community College professor, teaching Mathematics and Computer Science. He holds a Master's Degree in Mathematics from Claremont Graduate University.