Mathnasium 1109 Fair Oaks Avenue, South Pasadena CA 91030 (626) 532-7587

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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:




Nathan Lee, Center Director

Upon graduating with a degree in BioPsychology at UCSB, Nathan was looking for a job that would continue to challenge him both intellectually and professionally.   As a native of South Pasadena, he looked close to home and quickly found a perfect fit - a place where he could make a real impact on the community he loves - Mathnasium!

Nathan loves the moments when he sees a student's mind click for a once challenging math concept.  He finds that helping those that lack confidence in the subject and slowly seeing how they develop into Mathletes through our program is the most rewarding aspect of working at our center.   

Outside of Mathnasium, Nathan keeps himself busy by preparing for his next stage in life.  He will soon be completing an EMT certification course which is one of the first steps in accomplishing his goal.  Any free time he has left is spent fishing, playing football or rugby, playing video games and traveling.  In fact, Nathan has already traveled to over 15 countries.  His next big adventure will be a grand road trip across the country, visiting every state that is connected by road.


Blake Simon, Lead Instructor  

Blake loves teaching math!  He is knowledgable and very versatile when coming up with different ways to solve a math problem.  This helps him to come up with different ways to explain almost anything that a student might find confusing.  It also helps that patience is one of his many virtues.  

Blake has earned two bachelor's degrees from Biola University - one in Engineering Physics and the other in Mathematics.  In addition, he has earned another bachelor's degree in Electrical Engineering from the University of Southern California and has recently started a Master's program at USC (Fall 2019).  His future goal is to be an Electrical Engineer.


Joshua Pearson, Sr. Instructor

Joshua is a true math aficionado!  He loves math and he loves teaching it to others. He first joined our South Pasadena team back in 2012, when he was still a college student because he thought it would be a good start to a math teaching career.  Since then, he has earned his BA in Mathematics (with an option in Secondary Education) plus an almost complete teaching credential to teach Mathematics in Secondary Education. 

He enjoys the sense of community that South Pasadena offers. "Everyone is super friendly!"

In his free time, Josh likes to draw, play guitar and write computer programs (and, do math problems, of course).  He sees himself as a high school math teacher, or a professor at a community college one day - and, that will all happen when the time is right.  Till then, he's going to continue killing it on a daily basis!


Kevin Prado, Instructor  

Kevin's first day with Mathnasium was memorably scary, yet sweet - it was on Halloween (2016).  He is currently pursuing his Mechanical Engineering degree at Cal Poly Pomona but does not yet have a specific career path in mind yet.  Although his degree would allow him more opportunities, he always envisions his future as a teacher of math.  

Even before joining our Instruction team, Kevin has always enjoyed working with kids of all ages and had seen too many of them struggle with math.  Feeling a little more than lucky to be good at it, he was compelled to get a job where he could help kids who found the subject a bit of a challenge.  Kevin loves how our Mathnasium teaching methods have helped make math so much more understandable for students (and even for our Instructors, in fact).  He experiences joy when he sees a student start to "get it", or when they come in to proudly report how well they performed on a quiz or test. 

Away from Mathnasium, Kevin is doing his own homework for his university studies but will find occasional time to relax by playing video games or watching movies - comedies and science fiction are his favorites.  Lately, he's been dabbling in the art of cooking, so feel free to share a favorite recipe or two with him.


Orrin White, Instructor  

Mathnasium of South Pasadena is very honored to have a true veteran on our staff - Orrin White.  

His education background proves his qualifications: BA in Mathematics, a Masters in Education, and State credentials to teach Math, Physics and Chemistry.   Greater still is his vast and diverse background from fields that include finance, accounting, and publishing.  Because of his military background, having served in the US Army, in development and research required Secret Clearance, we dare not go into too much details here.   Although semi-retired, Orrin stays young by doing "paid volunteerism" at Mathnasium.  

Teaching has been a major part of Orrin's life, and he has always felt that the imparting of knowledge is a way of doing good and giving back to the world.  He really enjoys the variety of students that come into the center.  This is his first experience working with primary grade level students, and almost every day he finds himself learning something new from them.   Orrin sees himself staying at Mathnasium until the day when his body or mind just won't allow him to anymore.


Phoebe Kim, Instructor  

Phoebe first applied for a job at Mathnasium when she was still in high school (back in 2017) because she wanted to gain more work experience before entering college.  She has always enjoyed math so when she heard about this opportunity from another one of our Instructors, she was ready!

"I really care about the future success of our students, and if I can make even one student's day better by making math seem easier, then that's a great day for me."

Phoebe has a ton of hobbies.  She has played a variety of sports, including soccer, tennis and (her favorite) basketball.  She also plays the cello.  She plays board games.  She plays with her dog, Miso.  She'll even squeeze in time to catch a favorite TV show.  On top of all the fun & games, she is currently pursuing her degree in Computer Science.  She definitely has big dreams - to one day work for a big tech company (by day) while teaching computer coding as a college-level professor (by night).  And, her ultimate dream will be to do all that while raising 15 dogs!


Matthew Schexnayder, Instructor  

Matthew first heard about a job opening at Mathnasium from his friend, Nathan Lee (our Center Director).  Since he had a great experience tutoring math throughout college, he decided to apply.   Working with students allows him to see different math concepts from various perspectives.  He always knew that he understood math pretty well because the subject always came easy for him.  But, through his many interactions with students, he's come to realize that there are "a ton of ways" to look at the same thing.

Matthew is currently pursuing his BS in Mathematics, along with a minor in Physics.  He has just a few more credits before he's complete.  Although his future plans are still uncertain, he is pretty sure that he will continue with math education.  

He's the middle child in his family and enjoys playing video games to relax. 


Andrew Molina, District Manager 

Andrew graduated from the University of San Diego in 2016 with a bachelor’s degree in Economics. After graduation, he joined the team at Mathnasium of South Pasadena as a Math Instructor. After moving his way up to Lead Instructor and Assistant Center Director, Andrew became the Center Director for the Mathnasium of South Pasadena. Due to the wonderful time he had managing the South Pasadena center over the course of 3 years, Andrew looks forward to his new role as District Manager. As District Manager Andrew will oversee the management of the Mathnasium centers located in Monterey Park, Pasadena, San Marino and South Pasadena.  He is excited to continue to provide top tier customer service at each Mathnasium location as well as helping to build his students’ confidence so they can succeed at any goal they set for themselves.