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.

Sheri Singha

Lead Instructor
Sheri studied Political Science and Information Systems while in college. After graduating, he worked in IT for a number of years and has always been a secret "fan" of Math. Sheri is the kind of person who enjoys puzzles, mental challenges, and explaining numbers and technology concepts to people and did so in various volunteer roles. Sheri also wanted to work part-time for a while and Mathnasium was and is a great fit. Favorite Number: "2000 because Y2K was supposed to crash all the computers in the world, but in reality, nothing really happened! (We were lucky)." Favorite Math Joke: "Three statisticians are practicing their archery skills by firing arrows at a target. One shoots and misses two feet to the left. The second shoots and misses two feet to the right. The third one jumps up and says 'Yay – We got it!'" Fun Fact: "I like to go to restaurants and figure out the ingredients in new dishes so I can cook them at home!" "I love Mathnasium because it’s a relaxed work environment and working with kids is really rewarding! We learn so much from each other!"

Celso Torres

@Home Director
Celso graduated with a B.S. in Systems Engineering with a minor in Computer Science from Washington University in St. Louis. He lived in Washington D.C. for a year and a half working as a Data Analyst for Johns Hopkins before moving back home to Atlanta. Celso enjoys listening to music, reading, and thinking in his free time. He often finds himself observing and learning about the connection between various educational disciplines, particularly with regard to philosophy, sociology, anthropology, psychology, and physiology. Favorite Number: "It's not really a number but I really like the concept of base 10. It makes calculations so much easier and is a very intuitive way for us to understand orders of magnitude." Favorite Math Joke: "How do you keep cold in a warm room? You go to a corner because it's always 90 degrees!" Fun Fact: "When I was younger I was obsessed with soccer and I would play with the ball for hours. I got pretty good at a couple tricks....might favorite being the classic 'around the world'!" "I love Mathnasium because it's a fun environment where complicated math topics are broken down into friendly, easy-to-understand pieces. The process of helping a student see and understand math concepts is very rewarding!"

Cinya Lin

Cinya has always had a fascination with math and still enjoys studying new mathematical concepts. She graduated from Tucker High School in 2021 and is currently pursuing a degree in computer science at Georgia Tech. Her favorite number is 2, even though it might seem tiny, it can be used in so many larger concepts. Her favorite math joke is, "Why was six afraid of seven? Because seven 'eight' nine! Fun fact that she thinks everyone should know-70 years ago calculators used to take up entire rooms. She loves Mathnasium because math is everywhere and Mathnasium makes math fun!

Cindy Lin

Cindy is currently a junior at Tucker High School in the International Baccalaureate program with a focus on economics. She credits her current love of math to those teachers who helped her understanding of mathematics growing up. My favorite Number- 8, because it is a lucky number in China and I was born at 8 in the morning! My Favorite Math Joke- Why was the student upset that her teacher called her average? It was a 'mean' thing to say! Fun Fact- I really enjoy anything to do with cars. I watch all types of motorsports races! I love Mathnasium because- It gives students a feeling of accomplishment and I enjoy the time getting to know them and their abilities!

Cesar Hernandez

Cesar is from Georgia, more specifically Lilburn. He was in the Navy and is a Nuclear Electrician's Mate onboard an Otto class Submarine. He lived in Charleston, SC for about 2 years for training and school for nuclear theory and physics as well as electrical engineering. He is planning on going back to school for a double major in Electrical Engineering and Music/Media Technology! "My favorite number is 19 because it is my birthday number" "My favorite math joke is 'What did one math book say to the other? Quit botherin' me, I got my own problems here! Fun fact: "I like exploring cities and the outdoors, and making music in my free time." "I love Mathnasium because it's a great opportunity to grow and learn about myself!

Kimberly Flannery

Celso graduated Summa Cum Laude from the University of Alabama. She is the proud parent of an honors graduate from Lakeside H.S. and Georgia Tech. She is a lifetime advocate for learning, sharing her knowledge and experience in and love for Mathematics. Favorite Number: "3! It's a powerful number and good things generally happen in threes. In our family, we call ourselves the Three Muskateers." Favorite Math Joke: "Why was 6 afraid of 7? Because 7 8 9!" Fun Fact: "I started college at 16" "I love Mathnasium because KNOWLEDGE IS POWER! Lack of knowledge should not be a reason for failure."

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.

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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