Our Team at Mathnasium of Kissimmee

Mr. Bruno

Bruno is a senior at NeoCity Academy, one of Florida’s top-ranked public high schools, and is currently enrolled in AP Calculus BC. For the past three years, he has mentored high school students in mathematics, helping them build confidence and strengthen their skills. As Director of the NeoCity STEM Camp for the past two years, Bruno has gained valuable experience working with younger students.

At Mathnasium, Bruno is passionate about making math engaging and enjoyable for students of all skill levels. He strives to ensure every session promotes growth, confidence, and a deeper understanding of mathematics.

Mr. David

David holds a B.S. in Mathematics from Manhattan College and an M.S. in Systems Management from the University of Southern California. After serving in the U.S. Air Force, he spent 23 years teaching high school math and 21 years teaching calculus. 

At Mathnasium, David draws on his decades of experience to guide students with clarity and enthusiasm. He is passionate about helping each student succeed and works hard to ensure that every session builds confidence and understanding. 

Mr. Sebastian

Sebastian is a graduate of Gateway High School. While in high school, he attended Valencia College and was a member of the Math Honor Society. By the time he graduated from Gateway, he had held several leadership positions and gained years of experience teaching and mentoring students. He also served as a teaching assistant in multiple subjects and built meaningful, lasting relationships with many faculty members.

Currently, Sebastian is a sophomore at the University of Central Florida. His passions and interests include sports, superheroes, fitness, technology, and science. Most importantly, he is passionate about helping those in need and sharing his knowledge with others.

Mr. David

David is a recent graduate of NeoCity Academy’s Class of 2026 and is currently pursuing a B.S. in Electrical Engineering at the University of Central Florida. During high school, he gained extensive tutoring experience through community service, helping students with topics ranging from basic algebra to calculus.

At Mathnasium, David aims to share the techniques he learned and help students see that math can be more approachable than it seems. Inspired by a teacher’s saying that “the laziest people are the smartest at math,” he enjoys finding efficient ways to solve problems. He also values understanding why math works and explaining those ideas in clear, relatable language that his students can understand.

Mr. Caleb

Caleb is currently a junior at NeoCity Academy, where he tutors his peers and underclassmen in math. He has taken challenging courses, including AP Chemistry and AP Physics. Outside of academics, he enjoys talking about video games, shows, art, and music, with jazz being his favorite genre.

At Mathnasium, Caleb wants every student to leave with stronger math skills and greater confidence in their ability to learn. He believes each student has tremendous potential and that a commitment to learning is key to achieving success.