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.
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.
Gabbi Flachs is the Owner and Center Director at Mathnasium of Flemington. With a Master’s in Education and a background as a math teacher, she is deeply committed to helping every student succeed by making math understandable and even fun.
Gabbi carefully selects passionate instructors and fosters an environment where students feel supported and empowered to build their math skills. She believes in the power of the Mathnasium Method™ to meet students where they are and guide them to new levels of understanding. Gabbi is always happy to connect with families and help shape a strong future for every child.
Alex combines a strong technical background with a love for teaching. With a Master’s Degree in Materials Science and Engineering, he has experience teaching students from elementary levels all the way through calculus.
At Mathnasium, Alex focuses on helping students build both confidence and problem-solving skills. He brings energy and patience to every session, always encouraging students to think critically and enjoy the learning process. When he’s not teaching math, Alex enjoys composing music, playing piano, and spending time outdoors hiking.
Chris is a State Certified Math Teacher with a passion for helping students learn, grow, and gain confidence in their math skills. With a strong belief in the power of education, Chris finds deep satisfaction in making a difference in students' lives through personalized instruction and encouragement.
Outside the classroom, Chris enjoys solving puzzles and playing board games which are all activities reflecting a love for strategy, logic, and fun! As an Eagle Scout, Chris also brings a strong sense of leadership and perseverance to everything he does.
Chris is extremely passionate about being a part of the Mathnasium team and is committed to making math make sense for every student!
Jayson brings both academic excellence and a passion for leadership to the Mathnasium team. With a high Math SAT score and top 98th percentile standardized test scores, he’s well-versed in advanced math, including AP Calculus and Statistics. As the YMCA's NJ Youth Governor, Jayson leads initiatives that inspire civic engagement among students. He also competes at the varsity level in soccer and track, and enjoys all types of challenges—academic, athletic, or creative.
From winning the Chemistry Olympics to placing in state-level speech and debate, Jayson thrives on pushing limits and helping others do the same. He finds great satisfaction in watching students grow in their confidence and skills, and loves knowing he plays a part in that journey. When he’s not solving equations, you might find him doodling or drawing for fun!
Finn brings a strong foundation in mathematics and a passion for helping others learn to the Mathnasium team. With experience in advanced math courses and a natural ability to connect with students, he supports learners as they build confidence and master new concepts.
Outside the classroom, Finn plays competitive volleyball for both his club and school teams, showing strong teamwork and discipline. He also enjoys playing guitar, combining creativity with focus—qualities he brings into every session with students. Finn’s favorite part about working at Mathnasium is seeing students deepen their understanding of math and grow more confident every day.
Vivaan brings a strong foundation in Honors-level math classes, paired with a passion for helping students succeed. He enjoys working closely with students and collaborating with fellow staff to create a positive learning environment.
Outside of math, Vivaan is active in debate, HOSA, and community outreach programs, and has interned at a nonprofit focused on brain tumor research. He’s also a dedicated athlete on his school tennis team and has played the drums for over seven years, combining discipline and creativity in everything he does.
Ethan has a strong background in advanced math, having pursued coursework beyond his grade level since 5th grade. He brings a deep passion for learning and problem-solving to his teaching, helping students build confidence and mastery.
Outside of math, Ethan serves as Vice President of the AI Club and is a member of the Robotics team. He’s also played tennis for two years and volunteers at a local food pantry. In his free time, Ethan enjoys gaming and playing piano. He loves the opportunity to interact with different people every day and make a positive impact.
Anna has been part of advanced math programs since third grade and is currently taking calculus along with math-based science courses like physics and chemistry. She is an active member of her school’s tennis team and participates in HOSA as well as various STEM and service clubs.
Outside of academics, Anna enjoys playing the piano, public speaking, video editing, and learning new languages. Her favorite part about working at Mathnasium is connecting with students through shared experiences and hobbies, making learning math both fun and meaningful.
Krishiv has been engaged in advanced math courses and actively participates in robotics and other math- and science-focused clubs. He is a member of the honors society and enjoys staying active through basketball.
In his free time, Krishiv enjoys drawing and playing basketball. He finds teaching rewarding, especially when introducing new techniques that help students solve problems and get excited about learning more math.
Rebecca has been enrolled in honors and advanced math classes since middle school. In addition to strong math experience, Rebecca is actively involved in several school organizations, including HOSA, Yearbook club, and Connect. Outside of school, Rebecca enjoys creating art and spending quality time with family and friends.
As a Mathnasium instructor, Rebecca loves working with students of all ages and helping them grow in confidence as they progress through new math concepts.
Jack has taken honors level math classes throughout high school up through Calculus. Outside of the classroom, Jack stays active through tennis and enjoys biking as a favorite hobby.
At Mathnasium, Jack especially loves witnessing the "light bulb moments" when students suddenly understand a concept and feel proud of their progress.
Rish is an accomplished math student and active member of the Math Honors Society, National Honors Society, and Mu Alpha Theta. They earned a score of 5 on the AP Calculus AB exam, currently taking AP Statistics, and have experience tutoring through Mu Alpha Theta.
Beyond academics, Rish is involved in a wide range of activities, including football, basketball, lacrosse, volleyball, speech and debate, Model United Nations, Youth and Government, Investing Club, and serves as president of HOSA. In his free time, Rish enjoys listening to music and playing pickup basketball with friends.
At Mathnasium, Rish loves engaging with students, getting to know each of them, and making math fun while helping them learn and grow!
Frank is an aerospace engineering student at Rutgers University with tutoring experience in both group and individual settings. He has completed math through differential equations and took all honors and AP math courses in highschool. At Rutgers, he is involved in Formula Racing, RU Airborne, and the Chess Club. Outside of school, he enjoys anything related to cars and racing.
Frank's favorite part of working at Mathnasium is helping students understand new concepts and seeing their confidence grow.
Sona has been in advanced math since 7th grade and is currently taking Honors Precalculus. Outside the classroom, she participates in the Knitting and Crocheting Club, Code Club, and also plays the piano. In her free time, she enjoys crocheting and drawing.
Sona's favorite part of working at Mathnasium is teaching kids and helping them understand concepts they can use in the future.
Anvit advanced early in math, completing Algebra I in 8th grade and now taking AP Calculus BC and AP Statistics as a senior. He is involved in fencing, AI Club, and the New-Gen, where he writes about medicine and AI. He also volunteers at his temple, local hospitals, and through HOPS. Outside of school, he enjoys the gym and video games.
At Mathnasium, Anvit enjoys helping students turn confusing concepts into clear ones and especially enjoys creating fun moments through friendly, game-style challenges that make learning feel exciting.
Kasen holds a Bachelor of Science degree in Mathematics and Computer Science and has experience teaching mathematics at both the high school and collegiate levels. He has participated in mathematics clubs at Gettysburg College and Raritan Valley Community College, where he worked on small-scale projects and applied mathematical concepts. Outside of teaching, he enjoys working on small systems projects, particularly developing control systems for microcontrollers.
Kasen enjoys working at Mathnasium because it gives him the opportunity to meet students where they are at and guide them through difficult concepts. He values helping students make connections and overcome challenges.
Mitch combines strong academic achievement with a friendly, approachable teaching style that helps students thrive. He earned a high score on the AP Calculus AB exam and on both AP Physics C exams, demonstrating a deep understanding of advanced math and science concepts. As a member of the Math Honors Society, he’s passionate about making math engaging and accessible for all learners.
Outside of academics, Mitch plays volleyball and enjoys staying active. One of his favorite parts of working at Mathnasium is getting to know the students—whether it’s through playing quick games or simply chatting about their day. Mitch brings patience, positivity, and a genuine interest in helping every student succeed.
With 30 years of experience in education, including mathematics instructional support, Eileen brings a wealth of knowledge and dedication to the Mathnasium team. She has worked closely with math teacher educators as a project coordinator, deepening her expertise in effective math instruction.
Eileen loves working with students and colleagues alike, finding great joy in fostering understanding and enthusiasm for math. Outside of teaching, she is passionate about pet rescue, reflecting her caring and compassionate nature.
Dhruv has been engaged in advanced math since high school and is an active member of the Math Honor Society (Mu Alpha Theta). He leads and participates in several school clubs, including the Artificial Intelligence Club, Investing Club, Future Business Leaders of America, and the Robotics Team.
Passionate about giving back, Dhruv volunteers regularly at local senior centers. He loves breaking down difficult topics into simple, clear steps, finding nothing more rewarding than witnessing the moment a student truly understands a concept.
Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.
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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(908) 336-2841
(908) 336-2841
