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.

Ryan Brown

Instructor
Ryan is a recent graduate from Temple University with a Bachelor's degree in Mathematics and Computer Science. Ryan has always been fascinated by numbers and how to manipulate them. In his free time, Ryan likes to educate/entertain himself watching Youtube videos.

Xavier Cruz

Instructor
Xavier is currently a sophomore studying Computer Engineering at Penn State Abington. He has taken Honors Math courses throughout middle school and high school. Xavier has always loved math and solving problems, especially in subjects like chemistry and physics. He loves working with all of the students at the center, and will do anything he can to make sure they are understanding the material. Outside of Mathnasium, he is involved with team sports such as soccer and track. Over the summer, he also play golfs and caddies at a country club.

Christina Grigoryan

Instructor
Christina is a nursing major at Thomas Jefferson University. She has been taking honors math classes since middle school. She has tutored math as well as other subjects for over 2 years. She loves working with students and seeing them learn and grow. In her free time, she plays tennis and volunteers.

Maddy Kalaigian

Instructor
Maddy is a senior at Central Bucks High School East who has enjoyed advanced math courses since middle school. She is currently enrolled in AP Calculus BC and scored a 35 on the ACT math section. She has also worked with youth through her church and refereeing basketball. She is passionate about helping other students and seeing them experience that “aha” moment when they understand a concept. In her free time, she enjoys playing tennis for her high school team, watching Survivor, playing piano, and solving her Rubik’s Cube.

Sam Ziff

Instructor
Sam is currently a Senior at Temple University studying for a degree in Mathematics. He takes pride in being part of a team of instructors with the goal of helping students learn and master any obstacles related to math. During his free time, Sam enjoys watching and analyzing movies with his friends and writing music. He is also a collegiate member of the Phi Mu Alpha music fraternity at Temple.

Raymond Neff

Instructor
Raymond is currently a senior at Central Bucks High School South and is planning to major in either Engineering or Computer Science. He has taken honors math courses a grade level above his own since elementary school. Ray has always found joy applying his skills in any area through teaching them to others. Outside of education, Ray plays the bass guitar, a variety of games, and random soundtracks.

Dave Walbert

Instructor
Dave completed a Bachelor of Science in Physics with minors in Mathematics and Business Administration at Drexel University. He's also a Corrective Exercise Specialist (TBMM-CES), was a Peer Tutor for biology, and served as Co-Founder and President of a weightlifting and fitness club at Drexel. After graduating from Drexel, he served as a Teaching Assistant in physics and attended a Climate Reality Leadership Corps training in Los Angeles led by former Vice President Al Gore. Since his training in 2018, he has mentored at four Climate Reality Leadership Corps trainings and helped found two Climate Reality Chapters. Dave also graduated from Case Western Reserve University with a Master of Science in Medical Physiology in 2021. Dave can usually be found studying, teaching, or working out.

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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ME
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Potomac 14.98 mi
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#B
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Germantown MD 15.03 mi
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Tysons 15.45 mi
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#N
Kensington, MD 20895
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