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.

Anthony Wu

Instructor
He graduated from Cornell University with a BA in Statistical Science. He's had a love of mathematics ever since he was 5 years old and it quickly became his best and favorite subject. Having tutored/taught students in high school and college, he found it extremely fun and rewarding helping others understand and enjoy math. Some things he enjoys include traveling, learning languages, and collecting things!

Oliver Marsh

Center Manager
Oliver is a NYC native who cares deeply about the Park Slope community. A graduate of LaGuardia High School of Music & Art and Princeton University, Oliver has ten years of experience within the education field, covering math, music, and foreign languages. An MBA candidate at Johns Hopkins University, Oliver enjoys data analytics and competing in chess tournaments.
Key Achievements
Pro-level pianist and music teacher.
Fun Fact
I speak a few foreign languages :)

Favorite Math Joke
Why is six afraid of seven? Because seven eight nine!

Jacob Duggan

Instructor
Jacob is a graduate of Washington University in St Louis with a Bachelors in Math + Computer Science and Linguistics. He has loved math for as long as he can remember and hopes his students will develop that same love and curiosity for math. Jacob believes that kindness and patience are crucial to effective mathematics education; when students feel confident in their knowledge and comfortable to make mistakes, they do their best work. In his free time Jacob loves to cook and play tennis.
Key Achievements

Fun Fact
I love to bake bread!

Favorite Math Joke
I saw my math teacher with a piece of graph paper yesterday. I think he must be plotting something.

Diana Magnusson

Instructor
Originally from Lidingö, Sweden, Diana immigrated to California when she was young, where she attended one of the highest-rated STEM high schools in the state. From there she went on to earn a Bachelor in Fine Art in Drama from New York University, graduating with departmental honors. Diana has always been passionate about the learning process and found roles assisting students and encouraging growth where she could - from being a Math Honors TA in high school to tutoring underprivileged students for standardized testing in college, she continues to demystify the process and instill a love of learning in as many students as she can. Diana spends her nights attending trivia nights, reading her way through Penguin’s must-read classics list, and enjoying her well-stocked board game collection with friends.
Key Achievements
Won "Scariest Costume" every year in a row in middle school
Fun Fact
Diana memorized the periodic table for extra credit in 8th grade and remembers (most of) it to this day!

Favorite Math Joke
Three statisticians go out hunting together. After a while they spot a solitary rabbit. The first statistician takes aim and overshoots. The second aims and undershoots. The third shouts out "We got him!"

Zhen Tong

Instructor
I'm Zhen Tong, a dedicated math instructor committed to fostering a love for numbers and problem-solving. With a background in NYU mathematics master, I enjoy demystifying mathematical concepts and empowering students to excel. Also, I always try to explore new ways to make math engaging and accessible, and treat my students with great patience to answer their questions with good explanations that they could accept.
Key Achievements

Fun Fact
My birthday is Halloween.

Favorite Math Joke
Do you know how to make seven even? Subtract 'S' :)

Gemma F

Instructor

Sasha Hosmer

Instructor
I am a resident of Brooklyn who loves math and loves helping people understand math. I believe in patience and candor in my teaching and strongly value equity and inclusion.
Key AchievementsB.S. in Electrical Engineering from the University of Pittsburgh

Fun Fact
I am a musician and I play guitar in some bands in Brooklyn.

Favorite Math Joke
Do you know what seems odd to me? Every other multiple of three.

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

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