Mathnasium 1919 Gunbarrel Road, #153, Chattanooga TN 37421 (423) 899-2011

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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:

OwnerAlex Guppy, Owner of Mathnasium of Chattanooga, Hixson and Brentwood

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 on a whim. He cannot help but look back on his humble beginnings here in amazement as Gunbarrel location he took over has grown from 40 to 150 students in 2018 while a second center he opened, Mathnasium of Hixson, now has 65 students of its own. In the beginning of 2018, Alex became the sole owner of both Mathnasiums here in town. He is honoured by all of the parents who have entrusted the safety and education of their children to him over the years and helped him realize his dream of owning his own business. He is looking forward to helping many more children reach their full potential in the coming years.

Favorite Number: 5 because it's been his number in sports since he was a young boy. 

Favorite Math Joke: Why should you worry about the math teacher holding graph paper? She's definitely plotting something

Fun Fact: On the one hand, he never bothered to memorize his multiplication facts. On the other, he likes to wow students with mental multiplication up to triple digits!


Grace Vogel, Assistant Center Director 

Gracie has been at Mathnasium since late 2016, and couldn't love it more! After graduating from East Hamilton in 2019, Gracie is pursuing a degree in Actuarial Science at Xavier University. She is so excited to be able to continue teaching Mathnasium kiddos through the @Home platform! In her free time, she is a musical theatre and pasta enthusiast who loves spending time with her friends, family, and her dog, Stella!

Favorite Number:  16, because 2^4 and 4^2 is 16.

Favorite Math Joke: Why didn't sin and tan go to the party? Just cos.

Interesting Fact: She got a perfect score on the math portion of the ACT!


Jeremy Higdon, Director of Education 

Born in a blizzard, Jeremy has spent the years since honing his teaching and tutoring skills. He has a degree in Actuarial Science from UTC, and a Master's degree in Math from UTK. He has been at Mathnasium since 2015 and is currently the Director of Education at the Chattanooga center. He loves to watch lightbulbs light up as students gain understanding! 

Favorite Number: Hydra(4), because it is really REALLY big! 

Favorite Math Joke: Why don't preachers like the beach? Cos tan lines are a sin.

Interesting Fact: Jeremy is the longest member of the Mathnasium team! 


Adam Havens, Instructor

Adam has helped struggling math students for three years. He graduated from Grace Baptist Academy in 2020 and is now pursuing degrees in Math and Computer Science at the University of Florida. After graduating, Adam plans to seek a PhD in Mathematics and to one day teach and research mathematics. 

Favorite Number: -1 is especially interesting because, in the early 1700s, Euler found that e^(i *pi)--three seemingly unrelated constants--equals -1. 

Favorite Math Joke: What geometric figure is always at Starbucks? A line.

Interesting Fact: Adam has played tennis since middle school!


Leah Tudor, Instructor

Leah is a junior at East Hamilton High School. She loves math and science, and hopes to pursue a career in biomedical engineering. She loves helping out others, especially with math! She even created a server to help tutor math to other students in her class which lets students connect and help other students in classes they share! She also loves to draw & make illustrations in her spare time. She loves working at Mathnasium, talking to the wonderful instructors, and the amazing kids she tutors.

Favorite Number: 13! Even thought it's considered "unlucky," it's her lucky number!

Favorite Math Joke: Why was 6 afraid of 7? Because 7 ate 9!  But why did 7 eat 9? Because you're supposed to have 3 squared meals a day!

Interesting Fact: Her favorite animal is the frog (especially the desert rain frog)! She also plays the violin, participating in state level orchestras.


Mary Wilfong, Instructor

Mary is a senior at East Hamilton High School. She loves the arts and participates in local   choir and theater. She plans on going to the University of Tennessee at Knoxville to further her education. She loves working at Mathnasium and being able to help kids. 

Favorite Number: 144, because it's 12 squared and perfect suqares are superior to other numbers! 

Interesting Fact: She likes to spend her free time making jewelry.



        Saim Bhimji, Instructor

Saim is a senior at East Hamilton High School. He is fascinated by computers and wants to pursue a career in cyber security. Saim has been at Mathnasium since January 2019 and has come to enjoy interacting with students and helping them with their math.


Favorite Number: 3, because his favorite athelete, Dwayne Wade, wears the number 3

Favorite Math Joke: Teacher: "Why are you turning in a blank piece of paper?" Student: "Because all of my answers are imaginary!"

Interesting Fact: Saim's favorite hobby is basketball.



 Collin Segar, Instructor

Collin has been working at Mathnasium since 2020. He is currently a junior at East Hamilton High School and plans to pursue a degree in Business and Economics in college. He loves helping students at school and at Mathnasium.

Favorite Number: 0, because whenever it is in a multiplication or division problem, the answer is (almost) always 0!

Favorite Math Joke: Math illiteracy affects every 8 out of 5 people.

Interesting Fact: Collin enjoys playing guitar, soccer, and video games.



Akhil Ujjina, Instructor

Akhil has been working at Mathnasium since November 2020, and he has enjoyed it so far! He loves helping kids with math assignments the most. Currently, he is a junior at East Hamilton and plans to pursue a career in Computer Science.

Favorite Number: 22, because that's Derrick Henry's number. Let's go Titans!

Favorite Math Joke: I had an argument with a 90° angle. It turns out it was right.

Interesting Fact: Akhil enjoys watching basketball and football in his free time. He also knows how to code in HTML!