Vivian Loh Maximize

Vivian Loh


Vivian is currently a high school senior at Winchester Thurston School in Pittsburgh, PA. She is extremely passionate about math, especially geometry, and qualified for MOP in 9th, 10th, and 11th grades and was a member of the U.S. EGMO Team in 10th and 11th grades. Aside from doing cool math problems, she also enjoys biking, listening to electronic music, interacting with the math community, and teaching-- Vivian is also a teacher for Athemath '23-'24!.

Serena An Maximize

Serena An

Math Director

Serena is a sophomore at MIT majoring in math. In high school, she was a two-time MOP qualifier and EGMO gold medalist, and before college, she took a gap year to study abroad in South Korea. She also founded the Brookings Math Circle and ran it for five years to address the lack of math interest and resources in her town. In her free time, she enjoys playing card games, learning languages, and going on walks.

Laura Zhang Maximize icon

Laura Zhang

Contests Director

Laura Zhang is a high school senior at Thomas Jefferson High School for Science and Technology in northern Virginia. She attended MOP in 2022 and also competes with her school's math team. Laura hopes to encourage young girls and nonbinary people to continue pursuing their dreams. Along with math, she enjoys journalism, reading romance novels, and having meaningful conversations.

Michelle Kang Maximize icon

Michelle Kang

Community Director

Michelle Kang is a high school senior at Thomas Jefferson High School for Science and Technology in Virginia. She attended MOP in 2021 and 2022 and has competed in math contests from a young age. She hopes to inspire and motivate other girls who have a passion in STEM. Outside of math, she loves watching movies, playing card games (especially ERS), and playing table tennis.

Ali Cy Maximize icon

Ali Cy

Founder and Advisor

Ali is a sophomore at MIT. 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 2020 in order to help math girls connect to each other. Nowadays, Ali enjoys programming and reading webcomics.

Evan Chen Maximize icon

Evan Chen


Evan Chen (v_Enhance) is a math PhD student at MIT and one of the coaches of the USA IMO team. 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.


Amy Cui Maximize icon

Amy Cui


Amy is a high school sophomore at Lakeside School in Washington. She has qualified for USAJMO twice and attended MOP in 2023. Her love for math began in elementary school, and she is excited to share this passion with other young girls. Outside of math, she enjoys fencing, running, reading, and listening to music.

Amy will be teaching Outstanding Olympiad Geometry this Fall and Spring!

Ana Boiangiu Maximize icon

Ana Boiangiu


Ana is a junior at the International Computer High School of Bucharest (that's all the way in Romania!). She is an EGMO 2023 gold medalist and she attended MOP in 2023 as an international student. Her favourite part of Math is Geometry, but she can get along with Number Theory if need be. Outside of Math, she enjoys writing (about anything), playing table tennis and going on long walks.

Ana will be teaching Quirky Geometry this Fall and Spring!

Ashley Zhu Maximize icon

Ashley Zhu


Ashley Zhu is a junior at Hunter College High School in New York City. She attended MOP ‘23. She hopes to help girls feel more comfortable pursuing math. Outside of math, she loves to read, draw, and write.

Ashley will be teaching Art of Trigonometry (ft. Problem Solving) this Fall and Spring!

Emily Liu Maximize icon

Emily Liu


Emily is a junior at Irvine High School in Southern California. She has been doing math competitions since elementary and middle school and she attended MOP in 2023. She especially enjoys olympiad geometry. Outside of math, Emily likes to go on hikes with her family, hanging out with friends, and listening to music.

Emily will be teaching Comical Combo this Fall and Spring!

Emily Ma Maximize icon

Emily Ma


Emily is a high school senior at Marc Garneau C.I. in Toronto, Canada. She earned an honourable mention on the Canadian Mathematical Olympiad and a perfect score on the Pan-American Girls’ Mathematical Olympiad. She enjoys reading, playing games with her friends, and watching musicals.

Emily will be teaching j'AIME the AMC: Algebra Meets Combinatorics this Fall and Spring!

Emily Yu Maximize icon

Emily Yu


Emily is a high school junior at Mendon High School in New York. She has done math competitions since elementary school, and has attended MOP in 2023, and also placed 5th at the 2022 Math Prize for Girls competition. Outside of math, she enjoys card games, pole-vaulting, and drawing.

Emily will be teaching Adorable Algebra this Fall and Spring!

Hannah Fox Maximize icon

Hannah Fox


Hannah is a junior at Proof School in California. She attended MOP and G2 in 2023. She was also an Athemath student in the spring 2022 session. She is excited to teach AIME geo at Athemath this fall.

Hannah will be teaching AIME Geo this Fall and Spring!

Kristine Lu Maximize icon

Kristine Lu


Kristine is currently a senior at University High School in Southern California. She attended MOP in 2023 and has participated in math contests from a young age. She hopes to encourage and support other girls on their journeys in math. In her free time, she enjoys reading, rock climbing, and all things music!

Kristine will be teaching Combinections this Fall and Spring!

Matilde Iannaccone Maximize icon

Matilde Iannaccone


Matilde Iannaccone is a junior in Scientific High School Ulisse Dini (in Italy). She attended MOP in 2023 as an international student and attended TST camps in her country. Her favorite subject in Math is Geometry but she is slowly starting to appreciate Combinatorics. Apart from Math she enjoys reading comic books, listening to Harry Styles and hanging out with friends.

Matilde will be teaching AIME Combo this Fall and Spring!

Thanaree (Pimmy) Maneepairoj Maximize icon

Thanaree (Pimmy) Maneepairoj


Pimmy is a junior at Triamudom(high school in Thailand!🇹🇭) She attended MOP 2023 as an international student and she is in TST camp in her country. Apart of Math, Pimmy likes taking a walk, reading webtoon and she also like a ton of other stuffs too.

Pimmy will be teaching Get To Know Number Theory this Fall and Spring!


Alexander Wang Maximize icon

Alexander Wang


Alexander Wang is a sophomore who works as a Content Contributor for OMMC, is an IMO Gold Medalist, and has achieved Distinguished Honor Roll on the AMC 10/12 multiple times. He has qualified for USAJMO 3 times, and placed overall rank 1 in USAJMO out of all contestants in 2022. He has also qualified for MATHCOUNTS Nationals two times. He is also a member of the selective Lehigh ARML Fire Team. He will be attending the prestigious MOP program this summer. You can find him on AoPS with the nickname DottedCaculator.

Alex Zhao Maximize icon

Alex Zhao


Alex is a high school senior at Lakeside School in Seattle, Washington. Alex is a two-time USAJMO winner, USAMO silver, and three-time MOP participant, and also attended USA-Canada Mathcamp in 2021 and for the first time in-person in 2022. On the list of things Alex enjoys doing but is terrible at are soccer, his favorite subject rigid combo, and playing the piano. Alex is a hardcore science fiction fan (Dune, Foundation, recently Le Guin), and plays too many video games.

Andrew Xie Maximize icon

Andrew Xie


Andrew is a junior at The Hotchkiss School in Connecticut. An avid fan of math olympiads, he attended MOP in 2023. His favorite subject is combinatorics, which he hopes to understand more advanced theory in. Outside of math, Andrew enjoys playing the piano, running long distances, reading contemporary poetry, and listening to R&B.

Angeline Zhao Maximize icon

Angeline Zhao


Angeline is a high school junior at Phillips Academy Andover. She qualified for the USAJMO and received several awards for females in mathematics, including the Maryam Mirazkhani award. She loves sharing her passion for math with other students. Outside of math, Angeline loves journalism and playing poker with her friends.

Annabel Ge Maximize icon

Annabel Ge


Annabel is a high school senior from Seattle. She's enjoyed math since elementary school and has attended MOP twice. Outside of math, she likes drawing, listening to music, and rowing.

Anurag Singh Maximize icon

Anurag Singh


Anurag is a 12th grader from New Delhi, India. His interests are reading, working out, combinatorics, number theory and geometry (he is an algebra anti-main except poly ofc which is super good). He is also interested in Human Psychology and Neurology.

Debayu Chakrabarti Maximize icon

Debayu Chakrabarti


Debayu is an 11th-grader from India who has been participating in math contests for 4 years now and has made it to the National MO of his country twice. He qualified in the Sharygin Correspondence Round and participated in the Sharygin finals this year (2023). His favorite math subject is number theory but he absolutely adores combinatorics as well. Other than math, he also likes physics, astronomy, quizzing and listening to Post Malone.

Elsa Lin Maximize icon

Elsa Lin


Elsa is a 12th grader from the UK. She is an EGMO bronze medalist and she loves to row and listen to music. She's super excited to TA for Athemath!

Gunjan Aggarwal Maximize icon

Gunjan Aggarwal


Gunjan is a 12th grader from India. She has enjoyed Olympiad mathematics ever since she was nine, and has participated in numerous contests over the past few years. She is a 2 time European Math Girl's Olympiad participant and won a bronze medal in 2022, she has attended IMOTC thrice. She is also the director of MOTP. When she is not doing math she likes to sketch, bake and spend hours on her phone.

Jessica Wan Maximize icon

Jessica Wan


Jessica is a high school senior from Parkland, Florida. Since starting math competitions in elementary school, she has attended MOP in 2020 and 2021 and was a gold medalist at EGMO 2021. Problems involving functional equations are her favorite. Outside of math, she enjoys drawing, watching anime, and running.

Neal Yan Maximize icon

Neal Yan


Neal is a math contest enthusiast from the Bay Area, despite growing up in Wisconsin, and Athemath TA for F23 (and S23 too?). Although mostly retired from the olympiad math world after MOP 2023, he spends much of his time on making problem proposals by messing around on GeoGebra. Other than that, he also does random things like listening to a random classical / electronic music, making philosophical blog posts on AoPS, and making geometry diagrams with asy.

Tayakorn (Patrick) Suwanich Maximize icon

Tayakorn (Patrick) Suwanich


Patrick from Thailand, also known as Celestia in some communities, is a junior in Triam Udom Suksa high school. He went to MOP 2023 as an international student (black group), and also got a gold in IMO 2023 scoring at 35/42. He is a combi main first and foremost, but geo appeals to him as well. He does rhythm games but is not that good at them (rn it’s just arcaea), and he also enjoys being an MO trainer for some of his friends during his free time. Outside maths, he also aspires to be a researcher in computational neuroscience someday. He is so so excited to meet with all of you!!!

Peyton Li Maximize icon

Peyton Li


Peyton is a high school junior at Choate Rosemary Hall in Wallingford, Connecticut. Ever since starting math competitions in elementary school, Peyton has participated in the Canadian Winter Training Camp and MOP in 2022 and 2023 respectively. His favorite subject is combinatorics, but he used to be much better at geometry. When not doing math, you can find Peyton playing quizbowl, piano, or reading random wikipedia articles.

Pranav Choudhary Maximize icon

Pranav Choudhary


Pranav, a.k.a. Pranav1056, is a 12th grader from India. He has been participating in math contests for 2 years and cleared INMO in 2022. He has also cleared various stages of IFOMG and now represents India at FSJM. Apart from math, he likes to play chess, cards, read physics, go out with friends and talk with new people.

Rachel Chen Maximize icon

Rachel Chen


Rachel is a sophomore residing in California but originally from Canada. She's qualified for USAJMO, CMO, and APMO and is going to attend the Canada IMO Training Camp in 2024. Outside of olympiad math, she enjoys studying higher math, and is a participant in the PRIMES-USA program. You can often find her grinding Dummit and Foote, her favorite book. She also enjoys chess, having participated in numerous international tournaments. She also loves listening to Taylor Swift and talking on discord.

Raina Wu Maximize icon

Raina Wu


Raina is a high school senior at Lakeside School in Seattle, Washington. She attended MOP in 2022 and has participated in math contests since elementary school. Outside of math, she enjoys reading, drawing, and playing card games.

Sunaina Pati Maximize icon

Sunaina Pati


Sunaina is a first year student at CMI. She is an EGMO 2023 silver medalist and attend IMO training Camp three times. In her free time, she loves to write blogposts, work on some Olympiad math problems and talk to her friends. She also loves to watch romcom k-dramas and listen to k-pop and Indian Indies.

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Swastika Deb


Swastika is a 12th-grader from Kolkata. She has been doing competition math for 3 years and has taken part in various competitions. Her favorite subjects are geometry and number theory. She is a Sophie fellow and a staff at MOTP. Apart from math, she loves listening to Taylor Swift songs and playing the guitar.

Vera Puah Maximize icon

Vera Puah


Vera is now going into her fourth year at NUS High School (equivalent to high school sophomore) in Singapore, and has qualified for SIMO Senior Team in 2023 and 2024. She hopes to foster the interests of other girls in mathematics. She also enjoys physics olympiads and tournaments, as well as ballet and music.

Past Staff

Rey Li Maximize icon

Rey Li

Contests Director

Rey Li is a sophomore at MIT who was USAJMO winner in 2020 and attended MOP in 2020 and 2021. Rey loves math and helping others with math, and hopes to share the best parts of it with others. Outside of math, Rey plays copious amounts of Slay the Spire and reads a little too much manga.

Janabel Xia Maximize icon

Janabel Xia

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Janabel Xia is currently a senior at MIT majoring in mathematics. In high school, she served as her school's math team captain, and was also a two-time MOP attendee and an EGMO individual silver medalist on team USA. 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 / choreographing, studying music, and reading.

Nicole Shen Maximize icon

Nicole Shen


Nicole is a freshman at MIT. She has competed in various math competitions throughout middle and high school and attended MOP in 2021. Nicole hopes to encourage girls and nonbinary students to participate in whatever excites them, whether it be math, other STEM paths, or anything else! Outside of math, she enjoys learning languages, listening to music, and hanging out with friends.

Serena Xu Maximize icon

Serena Xu


Serena Xu is a freshman at MIT. She was a 2021 MOPper and once got a perfect score in AMC12. She established GmathIRL and wrote Rabbit's Geometry to encourage more participation in STEM fields, especially underrepresented genders. She was also an alum of Athemath’s first session. Moreover, she is really obsessed with EDM and sometimes even remixes different pieces (also 10% DJ) or cuts short videos for fun.

Cordelia Hu Maximize icon

Cordelia Hu


Cordelia is a freshman at MIT. She was a winner for the USAJMO 2022 and a MOP participant, and she began doing math competitions since elementary school. As a transgender woman, she sees firsthand many of the struggles women and other gender minorities face in STEM fields, and hopes to do a small part in helping to alleviate some of their struggles. Aside from math, she enjoys playing piano, listening to EDM, and swimming.

Holden Mui Maximize icon

Holden Mui


Holden Mui is currently a junior at MIT. He taught at a local gifted academy and also ran a local math circle. He attended MOP three times, was a USAMO Honorable Mention, and placed in the top 25 in the Putnam. 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.

Isabella Quan Maximize icon

Isabella Quan


Isabella Quan is a sophomore at MIT. She has competed in math contests since 4th grade and attended MOP in 2020 and RSI in 2021. 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.

Sanjana Das Maximize icon

Sanjana Das


Sanjana is a sophomore at MIT. She attended MOP in 2019 and 2020, and was an EGMO gold medalist in 2020 and 2021. Outside of math, she enjoys reading, crosswords, and puzzles.

Pravalika Putalapattu Maximize icon

Pravalika Putalapattu


Pravalika is a sophomore at MIT. She won a gold medal at the Math Prize for Girls Olympiad in 2019 and attended MOP in 2020 and 2021. 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.

Kaylee Ji Maximize icon

Kaylee Ji


Kaylee Ji is a sophomore at MIT. Kaylee is a two-time USAJMO honorable mention and MOP participant. She was on the Canada European Girls' Math Olympiad Team and won a gold medal. Kaylee has seen girls discouraged from preparing for harder competitions and wishes to assist other girls in their math goals. In her free time, she enjoys reading, drawing, and taking walks outside.

Andrew Wu Maximize icon

Andrew Wu

Vice President

Andrew Wu is a senior 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. In high school he qualified for USA(J)MO thrice, and published two papers in Euclidean geometry. Outside of math, Andrew loves playing piano — classical, pop, musical theatre, anything — and he’s passionate about educational equity, good writing, and graphic design.

Ilaria Seidel Maximize icon

Ilaria Seidel


Ilaria Seidel is a sophomore at Harvard. 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 Maximize icon

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.