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.

Jamie You

Jamie earned her Bachelor’s degree in Zoology from National Taiwan University, and a Master’s degree in Basic Medical Sciences from Purdue University. She previously taught math and science in Fairfax Christian School and the Virginia Academy. She thinks math is everywhere in our daily life, and solving math problems is like putting puzzle pieces together to see the wonderful pictures. Jamie believes every student can do math; she enjoys the process of helping students navigate through the problems and finding confidence in themselves to achieve.

Heidy Laboy

Heidy graduated from Texas A&M University with a Bachelor and Masters of Mechanical Engineering. She has been working in the Information Technology (IT) in the government and commercial fields. In her experience she noticed that the path to the future is IT including computer programing. All of the skills needed in this new world of IT requires mathematics as a basis. She always loved learning mathematics concepts and applied skills to real world situations. She is excited to bestow this knowledge to the students at Mathnasium.

Costas Tzoumas

Costas is a sophomore at George Mason University and is majoring in Statistics. He has a passion for analytics and how they impact the world, with a particular interest in Sports Data Analytics. He has been a Mathnasium tutor since 2020. He enjoys making an impact in the community through teaching math and coaching youth sports.

Taylor Levitas

Taylor is a junior attending South Lakes High School in Reston, VA, pursuing the IB (International Baccalaureate) diploma. She has been very passionate about mathematics since early elementary school, demonstrating mastery from the earliest levels of math through Calculus. At her school, she is a member of the Math Honor Society, in which she has spent over 20 hours tutoring students at her school: 9th-12th grade. She is also President of FBLA (Future Business Leaders of America), a member of the Science Honor Society and in the National Honor Society. Taylor is passionate about tutoring in math because she believes that math is a crucial, worldwide language; she believes that math is how we're going to expand our worldly and universal searches and discoveries. On that note, Taylor wants to study astrophysics and applied mathematics at college. Outside of school, Taylor plays soccer, and enjoys painting and drawing.

Hannah Zook

Hannah is a senior at Potomac Falls High School and the Academies of Loudoun, where she does scientific research. Through her studies, Hannah understands the importance of math in developing critical and creative thinking skills, as well as problem solving skills. Hannah wants to make learning math enjoyable and engaging for kids.

Rayyan Alam

Rayyan Alam is a senior at Potomac Falls High School and the Academy of Engineering and Technology under the IT pathway. Rayyan has enjoyed math from a young age and believes that understanding math is an integral part of the school curriculum and developing the thinking process as a whole. With math, Rayyan believes kids can develop valuable problem-solving skills and methods which can also more options in their future. Rayyan wants to positively impact others through education and hopes to help inspire others to make similar impacts on their community.

Roshan Mohanty


Geethan Sundaram

Geethan is a senior at Potomac Falls High School and the Academies of Loudoun who is currently studying computer science and programming. He has always enjoyed mathematics due to its wide range of topics, techniques, and real world applications. Prior to coming to Mathnasium, Geethan tutored children for math through school and volunteering. With Mathnasium, Geethan hopes to reach more students to help them to improve their math skills and to show them how fun math can be.

Jacob Greenlee

Remote Instructor
Jacob is a rising junior at William and Mary and has been tutoring a variety of topics since high school. He became a Mathnasium tutor two years ago and immensely enjoys helping out students of all ages. He loves to see them improve through hard work and believes patience and empathy are the keys to teaching. He looks forward to teaching more students and practicing with them in a fun way.

Alisha Jain

Remote Instructor
Alisha is a 4th year biology major at UVA and has been a Mathnasium tutor for a little over 2 years. She joined because she loves STEM and wanted to promote her interests throughout the younger community. Math can often be a topic children struggle with, Alisha wanted to be able to help change that and help students be more confident in their academics. In her free time, she enjoys dancing and trying new vegetarian recipes!

Natasha Shrestha

Remote Instructor
Natasha is a freshmen at William and Mary College majoring in biology. She has a passion for STEM and how they impact the world. On her SAT math section, she received a 790. She has been working at Mathnasium since 2021. In her free time, she likes to run, read, and play with her dog.

Kevin Price

Remote Instructor
Kevin Price graduated from Brigham Young University in 2015 with a B.S. degree in Microbiology, during which he worked in a lab building a gene editing device called a nanoinjector. During his education at Potomac Falls High School, he took AP Calculus and enjoyed learning advanced math; he also took several mathematical physics classes in college. After graduating, he performed an internship in Leesburg at a data science company: Mosaic, ATM. In his free time, he designed a mathematical computer model to emulate the Coriolis force on a virtual artificial gravity space station to educate others more about what life would be like in space. He enjoys walking, reading, sightseeing, and anything to do with Italy.

Marshall Kagan

Remote Instructor
Marshall is a sophomore at William and Mary and is double majoring in Economics and Public Policy. He has been a Mathnasium tutor since the start of 2022 and loves teaching students of all ages. He earned a perfect score on the math section of his SAT and is especially well-versed in teaching algebra. His passions include going to the movies, playing basketball, watching tennis, and traveling.

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
Schedule Your Math Skills Assessment Today

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!

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