Alicia Li

Alicia Li is a senior who goes to Horace Mann.  She loves math (especially combinatorics), violin, and singing.  She has qualified for the USAJMO and USAMO, and attended HCSSiM, PROMYS, and SUMaC. 

Olivia Xu

Olivia Xu is a sophomore at Horace Mann School. She has qualified for AIME, attended the Ross Mathematics Program in the summer of 2024, and founded Math for Fun. She loves math, science research, reading, lacrosse, and skiing.

Surya Fraser

Surya Fraser is a junior at Horace Mann. In addition to helping plan Math Koritsia, she was in charge of organizing HoMMaC 2025 (HM’s high school math contest) and looks forward to doing so again in 2026. She is also interested in computer science and biology, and spent the summer of 2025 doing research with a lab in Columbia University’s Biomedical Engineering Department.

Sophia Gao

Sophia Gao is a senior at High Technology High School. She has a passion for math, public speaking, and research. In her free time, she enjoys playing violin and reading. She is also an AIME and MPFG qualifier. Over the summer of 2023 & 2024, she attended Canada/USA Mathcamp. 

Sophia Jin

Sophia Jin is a sophomore at Stuyvesant High School. She loves math (of course!) and also loves to draw in her free time. She has qualified for AIME, MPFG, and USAJMO, and has enjoyed attending MathILy and G2 this summer.

Vivian Zhang

Vivian Zhang is a sophomore at Horace Mann. In addition to math, she enjoys drawing and playing the piano during her free time.  She has qualified for both AIME and USAJMO.

Jiayu (Ellie) Su is a 10th grader at Phillips Academy. She has participated in several math contests, earning top scores in the AMC series and at MP4G. She especially enjoys mathematical modeling and has competed in HiMCM multiple times, combining her love of coding with creative problem solving. Outside of math, Ellie enjoys exploring physics, composing music, and writing stories. As a problem writer for Koritsia, she hopes to help the cause of inspiring more girls to discover the joy of mathematics.

Sarah Jiang is a senior at Stuyvesant High School who enjoys math, music and reading. She has also qualified for AIME and MPFG, and attended Ross in the summer of 2025!

Kelly is a senior at Stuyvesant High School whose favorite field of math is number theory. She enjoys math, robotics, and art and attended math programs such as Math-M-Addicts and AwesomeMath.

Kira Lewis

Kira is a senior at Horace Mann who loves math, teaching, and the humanities. Some of her favorite high school experiences have included Canada/USA Mathcamp, MathILy, SSP, and MPFG. 

Ashley Zhu

Ashley Zhu is a senior at Hunter College High School. She was a USAJMO Winner in 2023 and has attended numerous math programs, including MOP, Canada/USA Mathcamp, and G2 Math Program. She is also interested in research, writing, and art.

Lily Levitsky

Lily is a senior at Saint Ann’s High School in Brooklyn and she’ll be studying math at Harvard University in the fall. She is passionate about pure math, especially number theory and abstract algebra, which she studied this summer at PROMYS. 

Anastasia Lee is a junior at Stuyvesant High School who enjoys math, computer science, economics, and piano. She is a four-time AIME qualifier and is looking forward to doing research at PROMYS this summer as a returning student.