Board of Directors

Ali Cy


Ali is a high school junior at Phillips Academy Andover. She was an Honorable Mention for the 2020 USAJMO, and was on the 2020 USA European Girls' Math Olympiad team, at which she got a silver medal. She started doing math contests seriously in seventh grade. While participating in math contests, she saw the way in which girls were isolated in math and how that helped lead to the under-representation of girls at contests. She founded Athemath in order to help math girls connect to each other. Other than math, she enjoys playing the piano and programming. She can be reached at She is also known as Christine Yang.

Andrew Wu

Vice President

Andrew Wu is currently a sophomore at Yale University, living in the DC metropolitan area. He works as the head problem editor for the Yale-run competitions MMATHS and Girls in Math, and he currently co-heads Everaise Academy’s math section. In high school he qualified for USA(J)MO thrice. Outside of math, Andrew loves playing piano — classical, pop, musical theatre, anything — and he’s passionate about good writing and graphic design.

Evan Chen


Evan Chen (v_Enhance) is a math PhD student at MIT. He is one of the coaches of the USA IMO team, serving as a coordinator for the team selection tests and the assistant academic director at MOP. He is an editor-in-chief for the USA(J)MO editorial board and the author of the textbook Euclidean Geometry in Mathematical Olympiads. As a high school student, Evan was an IMO gold medalist and winner of the 2014 USAMO (which he took from 12:30am to 5am in Taiwan). Outside of math and teaching, Evan enjoys playing competitive Hanabi and entertaining students on Twitch.

Janabel Xia


Janabel Xia is currently a first-year student at MIT living near the Boston area. She served as her high school’s math team captain from 2018-2020, helping to write and direct the Lexington Math Tournament for the past few years. Janabel has been active in various math competitions; she attended MOP twice (2018, 2019) and was on the USA European Girls’ Math Olympiad team and an individual silver medalist (2019). She has seen first-hand and second-hand the experiences that discourage young girls to continue pursuing math, and hopes to provide support for these girls through Athemath. Outside of math, she also enjoys dancing, making music with others, drawing, crosswords, and late-night snacks.


Isabella Quan


Isabella Quan is a high school junior at Westlake High School in Austin, TX. She has competed in math contests since 4th grade and attended MOP in 2020. When competing in team contests, she was often the only girl among several boys, and hopes to encourage and inspire girls who are starting off in math. When not working, she enjoys playing Pokemon, writing, and listening to music, especially K-pop.

Isabella is teaching the class My Favorite Things in our Spring 2021 session.

Pravalika Putalapattu


Pravalika is a high school junior at Thomas Jefferson High School for Science and Technology. She won a gold medal at the Math Prize for Girls Olympiad in 2019 and attended MOP in 2020. Pravalika is also a central leader of the math nonprofit inteGIRLS and a regular volunteer at Academy of Hope Adult Public Charter School, and she is highly passionate about mathematics, education, and activism. She hopes to encourage people of all backgrounds to pursue their STEM passions without fear! Outside of math, she enjoys reading sci-fi/fantasy (current read: The Weight of the Stars - K. Ancrum), painting, and listening to Rainbow Kitten Surprise.

Pravalika is teaching the class Spicy Counting in our Spring 2021 session.

Sanjana Das


Sanjana Das is currently a high school senior from California at Basis Independent Silicon Valley. She attended MOP twice and was on the USA European Girls' Math Olympiad team in 2020, where she got a gold medal. Outside of math, she enjoys reading and crosswords.

Sanjana is teaching the class Counting and Probability Principles in our Spring 2021 session.

Serena An


Serena An is a senior at Brookings High School and a two-time MOP qualifier. She has also achieved 4th place at MPfG 2019 and a perfect score on USAMTS 2019-20. To address the lack of math interest and resources in her town, Serena founded the Brookings Math Circle five years ago and has taught there ever since. In her free time, she enjoys playing card games, learning languages, and listening to K-pop.

Serena is teaching the class Computational Geometry in our Spring 2021 session.


Holden Mui


Holden Mui is currently a high school senior from Illinois at Naperville North High School. He teaches at a local gifted academy and also runs a local math circle. He attended MOP three times and also was a USAMO Honorable Mention. In addition to math, he also enjoys playing chamber music with friends and writing music. He thinks he is the reincarnation of Ravel but other people think he is just a turtle.

Ilaria Seidel


Ilaria Seidel is a junior at the Commonwealth School in Boston, MA. She is a second-year research student at the MIT PRIMES program, and attended USA/Canada Mathcamp in 2019. In her free time, she enjoys playing the flute, painting octopuses, and learning languages. She is excited to TA at Athemath!

Janette Park


Janette is currently studying Electrical Engineering and Computer Science as an undergraduate at MIT. In middle and high school, she participated in various math competitions, including MathCounts, the AMC series, and other local and national competitions. She especially loves geometry and enjoys sharing her passion in math with younger students. Outside of math, Janette is interested in the linguistics field of study and spends her free time watching kpop and dramas.