Mathnasium 18 Cadillac Dr, Brentwood TN 37027 (615) 942-2629

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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:

CenterDirectorAlex Guppy, Owner

Alex received his Bachelor's degree in mathematics from Kalamazoo College in Michigan. Shortly after graduating, Alex moved abroad to teach English in Taiwan - an adventure turned odyssey that lasted the next six years. When he was not teaching and having fun with his students, he was exploring the mountains and streams of the island. Eventually, home called and Alex returned to the States in 2013. In the Fall of 2014, Alex visited Chattanooga for a rock climbing trip. As the season passed by and frost began to accumulate on his tent each morning in Prentice Cooper State Park, Alex contemplated returning home to Michigan for the holidays, but then applied for a center director position at Mathnasium to provide math homework help on a whim. He cannot help but look back on his humble beginnings as a math tutor here in amazement.

In the beginning of 2018, Alex became the sole owner of both Mathnasiums in Chattanooga. He is honoured by all of the parents who have entrusted the safety and education of their children to him over the years (and left some fabulous reviews!) and helped him realize his dream of owning his own business. He is looking forward to providing math homework help to many more children in the coming years as he sets up shop in Brentwood, TN to open his third Mathnasium and offer math homework help across the state.

Seth Phillips, Center Director

Seth was born and raised in Brentwood. He graduated from Tennessee Tech with a major in electrical engineering. After a brief stint in the field, Seth found that his true passion is working with kids in his favorite subject: mathematics! Seth often tutored his peers in math while he was in high school and he saw first hand the effect it had on their confidence and self-image. He loves that at Mathnasium he is empowered to give children the instruction and the material that they need to feel confident and successful.

Favorite Number: 8, since it's his birth month and his favorite pool ball.

Favorite Math Joke: What do you call friends who love math? AlgeBROS!

Fun Fact: Seth played percussion all through middle and high school.


Chris Guardo, Instructor

Chris is a sophomore mathematics major at Belmont University. After he graduates, Chris plans to pursue a graduate degree in data science. He loves math because of how factual it is and how it can be used to describe anything in the natural world. 

Favorite Number: Pi, because whole numbers are too mainstream.

Favorite Math Joke: Without geometry, everything is pointless.

Interesting Fact: Chris goes rock climbing and country line dancing in his spare time.

Ellen Grimes, Instructor

Ellen has a B.S. in Middle School Education with a concentration in Mathematics from the University of Tennessee at Chattanooga. She has been working with children for over seven years. She loves working at Mathnasium because it is the perfect combination of her two favorite things, working with kids and math!

Favorite Number: 11, because November is my favorite month of the year!

Favorite Math Joke: What did one math book say to the other? Don't bother me, I've got my own problems!

Namrah Ajmal, Instructor

Namrah is a freshman at Vanderbilt University. She is interested in pursuing a degree in biomedical engineering. She enjoys learning, competing and tutouring in math. Outside of school, she likes to bike, read, bowl (it's a sport) and of course, share her love of math with others! 

Favorite Number: 2, because 2^2 = 2x2 = 2+2

Favorite Math Joke: An opinion without π is just an onion.

Interesting Fact: She knows over 100 digits of π!


Launna Atkinson, Instructor

Launna is a junior at Brentwood High School. She loves participating in Mu Alpha Theta Math Honor Society as well as a number of other clubs at her school. Launna loves working at Mathnasium because it's a nice break from the intense studying she normally does! Launna's dream is to get a career in medicine and hopefully become a successful orthodontist.

Favorite Hobbies: Launna enjoys playing the violin and tennis. She loves to travel and meet many different kinds of people!

Fun Fact: Launna goes to China every summer and is fluenty in Mandarin Chinese.


Min Kalasikam, Instructor

Min is a senior at Ravenwood High School. She is interested in going into medicine when she grows up. She loves math because of how logical and straightforward it is. In her spare time, she likes to sing, play the cello, and practice calligraphy.

Favorite Number: 4, just because.

Favorite Math Joke: What do you call an attractive triangle? A-cute triangle!

Interesting Fact: She speaks four languages.

Ashwath Nayagadurai, Instructor

Ashwath is a junior at Brentwood High School. He is interested in pursuing a career in either the medicine or theoretical physics (We are all rooting for the latter!). He joined our team in early 2019 and he loves working with children and teaching them the wonders of math.

Favorite Number: 10, because it's the base of our number system.

Favorite Math Joke: Why was 8 afraid of 7? Because 7 ate 9. Why did 7 eat 9? Because everyone needs 3-squared meals a day. 

Fun Fact: Ashwath was the TMTA precalculus Tennessee State Champion.

Sam Lippe, Instructor

Sam is a junior at Brentwood High School. He loves both math and science and enjoys learning new information. Outside of school he spends time practicing guitar and playing games with his friends and three brothers. Sam's favorite part of his job is observing the change in attitude and confidence kids experience as they gain understanding in math.

Favorite Number: 6, because there are six people in his family. Also, 6 is the first perfect number, which means that all of its factors add up to itself. What's the next perfect number?