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.

William Poznansky

Center Director

William brings a diverse background in education, nonprofit leadership, and curriculum development. He earned a Bachelor’s from Tulane University and a Master’s in Special Education, and has taught all K–12 levels with a strong focus on inclusive, differentiated instruction. 

Passionate about learning and creating community impact, William is committed to helping each student thrive. His leadership ensures that the center remains a supportive, engaging environment where students can grow in confidence and math mastery. 

Shari Buchanan

Assistant Center Director

Shari holds a degree in Mathematics from County College of Morris, where she graduated magna cum laude. A long-time instructor at the center, she combines deep content knowledge with a passion for helping students succeed in fun and meaningful ways. 

As a mother of two Mathnasium students herself, Shari understands the parent and student journey. She brings compassion, organization, and energy to her role, ensuring every child feels supported and inspired to grow in their math abilities.

Kyle Kanaley

Assistant Center Director

Kyle brings a rich background in mathematics instruction and student mentorship to the center. A recent graduate from NJIT with a B.S. in Civil Engineering, he previously worked at Union College of New Jersey, where he instructed students across a wide range of subjects, from College Algebra through Calculus 4.

Additionally, he's earned a CRLA certification for college-level teaching and was honored with the Best Tutor Award. After joining Mathnasium, he initially served as a Lead Instructor before stepping into his current management role as ACD, where he plays a critical role in supporting the students and staff.

Chris Gill

Assistant Director of Education

Chris graduated from Juniata College with a degree in Physics, supported by coursework in advanced mathematics. His academic background includes Calculus I–III, Differential Equations, Linear Algebra, and more. 

Through tutoring and peer support, Chris developed a love for helping students overcome challenges in math. At Mathnasium, he’s excited to share his enthusiasm and knowledge to show students how rewarding and empowering math can be. 

David Su

Lead Instructor

David graduated from Rutgers University with a B.A. in Statistics and has experience in data analysis and forecasting. He has tutored a range of subjects including Algebra, Calculus, SAT Math, and the sciences. 

As a former academic decathlon team captain and AP Scholar, David understands the value of mastering complex subjects and building confidence. At Mathnasium, he enjoys helping students find clarity in math and develop the skills to succeed both in and out of the classroom. 

Thomas Barton

Lead Instructor

Thomas is an undergraduate student at Fairleigh Dickinson University pursuing a Bachelor of Arts in Mathematics and a Master of Arts in Teaching. His academic background includes classes such as Calculus I, II, III, Linear Algebra, and Real Analysis. He has also taken education courses based around mathematics and reading instruction, and is part of the University Honors program.

In addition to being an instructor, he serves as the Center's social media manager and has experience as a learning specialist on FDU's campus for various levels of college math. Outside of Mathnasium, he enjoys volunteering at his local animal shelter, where his own 2 cats were adopted from.  

Ramses Garcia-Torres

Lead Instructor

Hi, my name is Ramses. I'm graduating with an Associate of Mathematics later this year from CCM, where I'm currently serving as Treasurer of the Student Government Association for the third consecutive year. My curriculum has been centered around multiple areas of mathematics, such Calculus, Linear Algebra, and Discrete Mathematics. During my time at CCM I have had the pleasure of working with mentorship programs such as College Steps, where I was awarded honors for increasing student involvement in campus activities. Last semester the SGA President and myself successfully acquired funds for a daycare on campus for students and faculty, something we hope will encourage enrollment from parents who cannot afford child-care.

Paul Selikson

Instructor
Paul Selikson is a New Jersey state certified Math teacher. He has taught for 15 years, first for 11 years in a public school and then for four years in a private school. Before teaching, Paul worked for years as a computer scientist and a project leader in industry. He has a BS degree with a double major in Mathematics and Computer Science from Montclair State University and an MBA from Fairleigh Dickinson University. At MSU, Paul studied Calculus, Probability, Statistics, Differential Equations, Linear and Abstract Algebra, and College Geometry, among other classes. He has taught middle school math (5th to 8th) and high school math (Algebra I, Geometry, Algebra II, and Pre-Calc). He has also taught Chemistry and Physics. Paul enjoys teaching and tutoring students and hopes to improve the mathematical skills of the students at Mathnasium.

Nitin Venkatiahgari

Lead Instructor

I am a high school student at Parsippany High School. I have completed up till AP Calculus BC. I am also a top member of the school’s math team. I have done business math as well for business competitions such as DECA. On the side I also tutor high school math to peers.

Sahar Naematullah

Lead Instructor

I am a current college student and a proud member of both the National Honor Society and the National Technical Honor Society. Over the past few years, I have maintained a strong GPA while challenging myself with a full schedule of Honors and AP courses. Outside the classroom, I am actively involved in community service and work experiences that have helped me grow both personally and professionally. Whether I’m volunteering or at work, I bring focus and responsibility to everything I do.

Ben Halpern

Online Instructor
Ben is a current student at Carleton College studying geology. For his degree, he has taken math-based courses including Calculus I-III, Linear Algebra, Mathematical Structures, and Computer Science. He was co-president of his high school's math club and has taken initiative to help his fellow students in STEM subjects. He has shown a passion for mathematics since a young age and hopes to inspire that same passion in students. Ben also has taken initiative to apply mathematics and statistics to his studies in geology.

Akshaj Mundada

Online Instructor

Akshaj’s love of math began as soon as he could count and has only grown since. He attended the Academy for Math, Science, and Engineering in Rockaway, NJ, one of the top STEM high schools in the state, where he took over a dozen AP courses (including AP Calculus BC) and scored a perfect 800 on the math section of the SAT. Now a Computer Science student at NJIT’s Albert Dorman Honors College, Akshaj has completed rigorous courses such as Discrete Mathematics and Linear Algebra. He is passionate about helping students build strong foundations in math and problem-solving, and he brings a patient, encouraging approach to every tutoring session. In the future, Akshaj hopes to pursue a career in machine learning engineering

Ekta Dhotre

Online Instructor

Ekta Dhotre is a sophomore at Seton Hall University, where she is majoring in Psychology on a pre-med track. She has been working as a math tutor at Mathnasium of Parsippany since August 2023, helping students of various grade levels strengthen their understanding and confidence in math. Prior to becoming a tutor, Ekta was a dedicated Mathnasium student herself from 2021 to 2023, which gives her a unique perspective on the student experience and learning journey. She also used to work independently as a tutor through Give Chances Inc., supporting students in grades 2–9 with both homework and foundational math concepts. Ekta is passionate about helping others succeed and tries her best to bring patience, clarity, and enthusiasm to every session she teaches.

Connor Walch

Instructor

My name is Connor Walch and I am a senior in high school. I am currently enrolled in AP pre-calculus in school. I have recently completed Algebra 2 and Geometry classes as well. I have always excelled in math classes and I love teaching and helping others find or deepen the love for math that I have. I look forward to helping everyone attending!

Rutva Amin

Instructor

Hi, my name is Rutva. I have been an instructor at Mathnasium since November 2024. I am currently a senior at Parsippany High School, and I have completed Algebra 2 and will continue to learn Precalculus and Calculus. Moreover, throughout high school I have been a active member of the math team and have placed highly in many events. I am a honors student and have maintained high grades throughout high school, especially in math classes. I am also extremely interested in Computer Science and hope to major in it during college. Outside of school, I tend to stay busy by playing soccer for my school and refereeing soccer for Parsippany Soccer Club.

Vennela Kunchala

Instructor
As a graduate from Morris Hills High School in the Math and Science Magnet Program, I’ve been passionate about math since I began competing at the national level in elementary school. Over the past five years, I’ve taught more than a hundred students outside of Mathnasium through tutoring, workshops, and mental math classes, including running a nonprofit initiative that supports students while helping fight food insecurity. I’ve completed the most rigorous math courses available, including AP Calculus BC and AP Statistics, and will be continuing my studies in Calculus 3 at County College of Morris. While I specialize in math and mental math, I also tutor across subjects, and my greatest accomplishment is when students return to tell me they aced their finals. I love watching students grow in both confidence and skill, and I bring that energy to every session at Mathnasium.

Anina Mullan

Instructor

I am currently a senior at Morris Hills High School, where I am part of the Magnet Program. Through this program, I’ve been fortunate to take challenging courses that have pushed me to grow academically. Over the years, I’ve had the opportunity to compete in several math competitions, where I’ve earned strong results and developed my problem-solving skills. I’ve also explored computer science through courses from institutions like Harvard and MIT, earning certificates along the way. Outside the classroom, I stay active by participating in Track and Field and volunteering in my local community.  

Abdalrahman Aboualmaged

Instructor

My name is Abdalrahman Aboualmaged. I am student at Parsippany High School who has completed Algebra 2, Geometry, and Precalculus and am currently taking AP Calculus. I enjoy learning math, as it is my favorite subject and aspire to be a Neurosurgeon one day.

Rida Hajwane

Instructor

I am currently a senior at Parsippany High School and have dedicated a lot of my time to achieving academic excellence. I have challenged myself to take different math classes throughout the years and now plan to take AP Calculus in the future. Over the past few years, I have maintained a strong GPA and a schedule full of AP and Honors classes. I believe in creating a welcoming environment where students feel encouraged to ask questions and learn from their mistakes. I am excited to share my love of learning with students and help them along the way.  

Katherine Chen

Instructor

Katherine is currently a student in Parsippany High School. She is an honors student that takes her academics very seriously. Katherine used to be a student in Mathnasium, so she understands the importance of math and how the students may feel when it comes to math. She enjoys math and wants to help people so that they can have a better understanding of the subject. She aspires to major in math in the future.

Avni Vyas

Instructor

My name is Avni Vyas, and I am a dedicated high school student with a strong passion for math and education. I love helping students grow their confidence and skills in math. Academically, I have taken rigorous coursework including AP Economics, Precalculus Honors, Algebra 2 Honors, and AP Physics. As a rising senior, I plan to take AP Calculus, AP Statistics, AP Physics, and AP Chemistry this year. I’m actively involved in clubs such as Academic Decathlon, Math Team, and Science Olympiad, and I serve as the Co-Vice President of Academic Decathlon.  I look forward to continuing to share my enthusiasm for learning and math with the students at Mathnasium.

Anirudh Venkatesan

Instructor

Anirudh is a senior at the Academy for Math, Science, and Engineering. He has taken a variety of math-based courses such as AP Calculus, Math Analysis 1 and 2, AP Physics, and AP Computer Science. He also has experience tutoring students in algebra and SAT/ACT math. He is the co-founder of the non-profit organization STEM powering, which is dedicated to empowering future generations through STEM. He is hoping to foster a passion for mathematics amongst all of the students at Mathnasium.  

Nikhil Trivedi

Instructor

Nikhil is an upperclassman at the Academy for Math, Science, and Engineering. He has completed advanced coursework in Geometry, Algebra I and II, and Precalculus. He continues to challenge himself by taking the most rigorous math courses available. Before working as an instructor Nikhil volunteered at Mathnasium for several years and also gained experience tutoring in both math and chemistry. Nikhil has a strong passion for applying mathematics in fields like computer science and AI. He was recognized with a Certificate of Honor by the Harvard Computer Society for his performance in their AI Bootcamp, and is also a recipient of the AP Scholar Award. Nikhil enjoys helping students build a strong foundation in math and develop confidence through problem-solving.

Rithini Rameshkumar

Instructor

I am currently a rising senior at Parsippany High School and love to learn about math. Over the past few years, I have taken challenging math classes, such as AP Statistics and Pre-Calculus, and will also be taking AP Calculus. I have maintained a solid GPA and continue to challenge myself with rigorous Honors and AP courses. I am also an active member of my school's math team and Math Honors Society. Outside of the classroom, I spend my time volunteering and also hold leadership positions in different clubs. I enjoy working with students and helping them build confidence with their math skills.  

Vageesha Sembudurage

Instructor

I am going to be a Senior at Parsippany High School in Fall of 2026.  I am also part of the STEM Pathways program at my high school. I have previously volunteered at Mathnasium for over a year. Part of the Academic Decathlon Team at my school and we managed  to make it to the state level last year. I was also able to work for NJCCIC as the only Cybersecurity Intern representing my school this summer.

Moosa Awais

Instructor

As a Mathnasium alum and college student, Moosa is excited to now be part of the team that helped shape his own love for math. This year, he will be taking courses in Analytical Geometry, Calculus, and Probability & Statistics, and looks forward to using what he learns to better support students in their own math journeys. Being able to give back as an instructor is incredibly meaningful to him, and he hopes to inspire the same confidence and curiosity in others.

Sahovan Swamy

Instructor

Sahovan is a college student with a strong passion for mathematics and finance. He plans to pursue a double major in Math and Business in college. Sahovan has experience working with children through nonprofit initiatives and is enthusiastic about making learning enjoyable and impactful. He finds great joy in helping students grasp new concepts—especially when he sees the excitement on their faces as everything clicks.

Aditi Guha

Instructor

My name is Aditi Guha, and I am have a strong passion for math and education. I have completed advanced math courses including Geometry, Algebra II, Precalculus, and am currently taking Calculus at the County College of Morris. I am an active member of both the National Honor Society and the Math Honor Society, and I also compete on my school's Math Team. Outside of school, I intern with NASA's Aviation Systems Division and have experience teaching elementary-aged students Python, robotics, and CAD at a local church. I love working at Mathnasium because it gives me the opportunity to help students build confidence in their math skills.

Mithil Agneya

Instructor

As a rising senior at Morris County School of Technology, Mithil brings a strong background in advanced mathematics, having taken accelerated math courses since middle school. This year, he will be taking  Analytical Geometry & Calculus and Probability & Statistics. As a Mathnasium instructor, he’s excited to use his knowledge to help students strengthen their skills, build confidence, and find success in math—just as he has throughout his own academic journey.

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.

Quote Quote
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

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Student using math cubes to solve fractions
Student working with a math tutor at a local math learning center

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