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.

Jefferson M

Lead Instructor

Jefferson is a Junior at SUNY Stony Brook majoring in Physics. With a strong passion for math and science, he brings energy and curiosity to every student interaction. Whether he's solving complex equations or helping a student overcome a tricky concept, Jefferson aims to inspire engagement and excitement in learning. 

When he’s not teaching or studying, you might find Jefferson fishing along the South Shore or playing clarinet, one of his rediscovered passions. He enjoys creating a relaxed and motivating environment where students feel confident and supported. 

Gabrielle S

Instructor

Gabrielle, or Gabby, is a dedicated math educator with a bachelor’s in Mathematics from Xavier University and a Master’s in Secondary Math Education from Relay Graduate School of Education. She is also a certified high school teacher and currently teaches PreCalculus, Calculus, and AP Calculus AB at Achievement First Brooklyn High School. 

Gabby’s goal is to help her students fall in love with math by making it meaningful and exciting. She enjoys traveling and spends her free time reading, writing, swimming, and exploring new places. Her passion for math and education shines through in every lesson. 

Alex C

Lead Instructor

Alex is a Walt Whitman High School graduate and holds a Bachelor’s in Applied Mathematics and a Master’s in Applied Statistics from Worcester Polytechnic Institute. He has a long history of mathematical achievement, including placing first in the Suffolk County Math Competition and leading his school’s Mathletes Club. 

As a former college teaching assistant, Alex brings years of experience and a deep love for math. He enjoys making complex concepts clear and exciting, and is passionate about helping students build problem-solving skills that extend beyond the classroom. 

Amanda L

Instructor

Amanda is a Syosset High School alumna and a graduate of Stony Brook University, where she studied Chemical Engineering with a minor in Biology. During college, she was active in the Society of Women Engineers and served as a mentor in the Women in Science and Engineering (WISE) program. 

Amanda’s enthusiasm for math and science drives her commitment to helping students excel academically. She enjoys supporting young learners as they grow in confidence and skill, and she believes that math can empower students to succeed in any field they choose. 

Alissa P

Lead Instructor

Alissa is a junior at Commack High School. She is passionate about Tennis, Math, and Coding. As an IB Diploma student, and having the privilege of taking both AP classes and IB classes she strives for academic excellence. Alissa loves playing tennis and finds balancing work, school, and sports challenging and the most-rewarding.  Outside of school and tennis, Alissa enjoys taking coding classes and over the summer she did a Girls who code camp. Being able to share her knowledge of math and learn how to be a better teacher to her students is something that truly excites her. Alissa also lends her amazing art skills to the center, evidenced by words of the week board or other drawings on the white boards! Lastly, she also loves hanging out with her friends and family and her new puppy Hazel. 


Janett J

Instructor

Janett is a dedicated educator who has positively impacted the lives of thousands of students. She has 30 years  experience in the public schools. She is a retired New York City public school teacher with 18 years of service, with over 10 of those years teaching the Gifted and Talented students. She achieved certifications in Early Childhood Education (Birth – Grade 2), Childhood Education (Grades 1 – 6) and Literacy (Birth-Grade 6). She is also an alumna of Hofstra University, where she gained a Bachelor of Arts in Psychology and a Master of Science in Education. She is a lifelong learner who values education; and is passionate about empowering, inspiring and motivating the young minds to accomplish their desired goals. It is her hope that the students she encounters at Mathnasium will gain confidence in their ability to engage in math in new and fun ways; thus, finding their own enthusiasm for learning. Finally, she loves reading, spending time with friends and family; and best of all her furry friend Jax.

Jade

Instructor


Jade is a senior at Walt Whitman High School. She is passionate about Math, Business, and Sports. As a member of the Math Honor Society and a student in AP Calculus BC, Jade continues to challenge herself academically. She also previously took AP Statistics as a sophomore, reflecting her strong interest and skill in mathematics.

Jade began her journey at Mathnasium as the very first intern at the center, which later led to her becoming a tutor. She enjoys helping students build confidence in math and finds it rewarding to watch them grow in their skills. In addition to her academics, Jade has been a four-year varsity athlete on both the track and tennis teams. She also stays involved in leadership roles through Bible Club and Girl Scouts, where she participates in service projects such as food drives and beach cleanups.

Outside of school and Mathnasium, Jade enjoys traveling and seeing new places, as well as spending time with friends and family.

Ishpreet

Instructor

Ishpreet is a senior at Half Hollow Hills High School East. She is passionate about entrepreneurship, photography, and poetry. As a dedicated student, she balances her academics with her creative pursuits, always striving to challenge herself and grow. Outside the classroom, Ishpreet runs her own clothing and photography businesses, combining creativity with leadership. She also loves writing poetry, often drawing inspiration from her culture and personal experiences. Teaching and working with kids brings her the greatest joy, as she loves sharing her knowledge and encouraging them to explore their own talents. Beyond school and her many passions, Ishpreet enjoys spending time with her family, friends, and serving the community.

Cory

Instructor

Cory has always been fascinated by the logic and beauty of mathematics. He graduated from Stony Brook University in 2021 with a double major in Pure Mathematics and Applied Mathematics & Statistics. In his final semester there, he worked as a teaching assistant for Finite Mathematical Structures, helping students understand topics like graph theory and combinatorics.

Cory’s passion for math and chess began early. In high school, he earned a perfect score (800/800) on the Math Level II SAT Subject Test, qualified for the American Invitational Mathematics Examination (AIME), served as president of the chess club, and won several local chess tournaments.

Since graduating, Cory has continued to teach both math and chess to students of all ages. He has prepared students for the SAT math section at TestTakers and enjoys helping learners build strong problem-solving skills. In 2024, he also passed the actuarial Probability Exam (P) on his first try, reflecting his deep understanding of mathematical concepts.


Cory is excited to be part of the Mathnasium team, where he looks forward to helping students gain confidence and discover how fun and rewarding math can be.


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

Schedule Your Math Skills Assessment Today

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

Want to join the Mathnasium team?

Are you interested in changing lives through math? We're looking for outstanding individuals with a high level of commitment who are passionate about teaching math. Find out if there's a Mathnasium position that's just right for you!

Explore Employment Opportunities Default Arrow
Loading