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.

Sara Le

Lead Instructor

Hi! My name is Sara. I have worked at Mathnasium for almost 3 years. I am currently a senior at Oak Creek High School. I will be attending Marquette University in the fall of 2025! My future career goal is to be an orthodontist. At Mathnasium, I enjoy creating relationships with every student and being able to improve their confidence with math. I am patient, and I problem-solve by trying to find different methods to help each individual student, which allows me to be the best possible instructor. I am on Oak Creek’s swim and dive team and in the National Honor Society, and I’m on the National Science Bowl competition team. I also love sewing, baking, and playing video games in my free time! 


My favorite math joke: What did the zero say to the eight? Nice belt! 

Rishav Bhattacharyya

Lead Instructor

Hi! My name is Rishav. I have been at Mathnasium for over 2 years. I currently go to Franklin High School and will be going to college in Fall, 2025. I enjoy problem-solving and talking to students to ensure that they are in a welcoming and helpful environment. My favorite part about working here is helping students learn and grow, but also learning and growing myself. When not working at Mathnasium, I enjoy hanging out with friends, playing pickleball, and going to concerts!

My favorite math joke: Why did the 0 hate dating apps? Because it couldn’t find the 1

Christian Fullington

Instructor

Hello, my name is Christian Fullington! I graduated high school in Port Charlotte, Florida, and am currently attending the Milwaukee School of Engineering. I plan to do any work I can in engineering to make the world a better place. As a prospective engineer, I apply mathematics all the time to the world around us. Outside of Mathnasium, I enjoy going for a run, playing video games, and reading. My father is a teacher, and I like following in his footsteps.

My favorite math joke: Why was the triangle arguing with itself? Because all three angles had a point.

Ashish Mulabagili

Instructor

Hi My name is Ashish, and I have worked at Mathnasium for over a year. I attend Franklin High School, and plan to attend UW-Madison for college and a career in Orthopedic Surgery. When working at Mathnasium, I can relate to students by using my math skills to help students feel comfortable while also making their sessions enjoyable. Outside of Mathnasium, I participate in Mock Trial, HOSA, and Multicultural clubs. I also volunteer at different organizations, and enjoy soccer, basketball, and watching football.

My Favorite math joke: Why is 69 so scared of 70? Because they got in a fight, and 71.

Evan Taylor

Instructor

Hi, my name is Evan! I am a senior at South Milwaukee High School. I plan on attending MSOE and majoring in Civil Engineering. I try to approach every student with patience and understanding. Helping students work through complicated problems and see things come together is my favorite thing about being a math instructor. I also have a lot of interest in the variety of methods used in math, which help me considerably when tutoring kids. When I'm not working at Mathnasium, I enjoy playing musical instruments, particularly the trumpet!

My favorite math joke: Why was 6 scared of 7? Because 7 8 9

Amina Almashakibeh

Instructor

Amina Almashakibeh

Hi! My name is Amina. I currently attend Oak Creek High School, and my post-high school plans include attending Marquette University and going on to medical school to achieve my goal of becoming a neurologist. I really enjoy teaching and working with children on all kinds of math topics. Outside of Mathnasium, my main hobbies are weightlifting and boxing!

My favorite math joke: Why was the obtuse angle always so frustrating? Because it was never right.

Ella Peets

Instructor

Hi! My name is Ella Peets and I currently attend Oak Creek High School. After high school, I plan on attending the University of Kentucky and becoming a registered nurse, either in PICU or Pediatric Oncology. I have experience with my younger siblings that are around the age of the children I help at Mathnasium. I also used to work as a children's swim instructor, which taught me how to work with kids with different interests. Outside of work, I enjoy traveling and theater. I am also involved in an environmental club at school. What I love most about Mathnasium is the environment. Everyone is super inviting, whether it's my fellow instructors, center directors, or students!

My favorite math joke: Why are obtuse angles always sad?? Because they’re never right

Sancy Arora

Instructor

Hi, my name is Sancy. I attend Franklin High School, and in the future I plan to go to college to become a lawyer. I enjoy working with kids and being able to use my math skills to help them grow their knowledge and confidence in math. When I'm not working, I'm involved in multiple clubs and sports, including mock trial, track, and tennis!

My favorite math joke: why is 6 scared of 7? because 7 8 9 🤣

Xavier Smith

Instructor

Hey! My name is Xavier Smith! I attend Oak Creek High School. When I graduate, I'm currently considering continuing my education at  UW-Madison or UW-Milwaukee! Career goals I'm currently considering include music, ministry work, and STEM fields. I've completed math classes through Calculus 3 and am currently taking Differential Equations, which helps me to be able to tutor a variety of students I encounter. I enjoy working with kids of different ages on math and the welcoming environment of Mathnasium. Besides work, I enjoy working out and playing many different sports and arranging and recording music.

 My favorite math joke: Do you know what mathematicians do after it snows? They make snow angles!

Gage Edgar

Instructor

Hi! My name is Gage. I graduated from Principia College in 2017, with a bachelor's degree in math and physics. I'm working towards attending graduate school to study physics and then do physics research. I taught math at a private high school for 5 years. What I like the most about working at Mathnasium is seeing students progress over time in their understanding and confidence in math. In my free time some things I enjoy are chess, ultimate frisbee, and cheering on the Packers!

My favorite math joke: Why was 5 afraid of 7 according to Yoda? Because 6, 7 ate.

Gabby Fuentes

Intructor

Hi! My name is Gabby Fuentes! I have been working at Mathnasium since August 2024! I attend Oak Creek High School, and I’m thinking of applying to the University of Wisconsin–Madison or going somewhere out of state for business and a minor in music. I enjoy being able to share the fun of math with others, and I also enjoy helping out. I've gone all the way through calculus-level classes, which allows me to help a variety of math levels! Outside of work I enjoy playing tennis, practicing my instrument, reading, and sketching!

My favorite math joke: Why did the student do multiplication on the floor? Because the teacher told him not to use tables

Kaliope Morgan

Instructor

Hi! My name is Kaliope Morgan! I currently attend Oak Creek High School and I am a Junior. I plan on attending either Madison, UChicago, Columbia, or Yale for political science.  I want to be a politician and musician on the side but my biggest goal is to be the President of the United States. I am a beginner piano teacher as well, so I have worked with students and use teaching skills frequently. I enjoy a variety of clubs outside of work. I ran cross country and track for a while! I am also involved in theatre, band, and choir. Additionally I am a National Honor Society member and the current Distinguished Young Woman of Oak Creek! 

My favorite math joke: Did you know that there are three kinds of people in the world? The people who can count and the people who can’t.

Rebecca Tze

Instructor

Hi! My name is Rebecca, and I currently attend the University of Wisconsin-Madison. In the future I hope to work in the tech field, as I'm majoring in electrical engineering. I enjoy helping others piece together the answers and watching students grow. I also have the patience to wait and help others that are still learning. Outside of Mathnasium, I like using my free time to hang out with friends!

My favorite math joke: Don’t talk to Paul about trigonometry, because he’ll always go on a tangent

Xiomara Martinez

Marketing Apprentice

Hi, my name is Xiomara! I will be a freshman at the University of Wisconsin-Milwaukee in the fall to study supply chain and operations. In the future I hope to have a career in any business field, but I'm focused on becoming some sort of supply chain manager. I have been a marketing apprentice for 9 months now, where I work on Mathnasium’s social media and behind-the-scenes event planning. I have taken a variety of marketing and business classes and am certified in Adobe Photoshop and fundamental marketing concepts! Although I don't work directly with the kids as an instructor, I enjoy interacting with all of the students and getting to know their personalities! My main interests include all things music, especially a cappella and singing, and I have danced since I was 3.

My favorite math joke: Why does algebra improve your dancing skills? Because you can use algo-rhythm

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.

Quote Quote
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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Student using math cubes to solve fractions
Student working with a math tutor at a local math learning center

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