JMPSC is possible thanks to our amazing staff, all of whom are volunteers and contribute
to JMPSC in their spare time, and have significant math competition experience themselves.
Hover over a name to read more about each one of our staff members!
Samuel Choi
President and Founder
Samuel Choi is the president and founder of JMPSC. He is a senior at Valencia High School who enjoys playing the clarinet in his free time. He is an attendant of PROMYS 2024.
Brady Gho
Head of Outreach
Brady Gho is the head of sponsor outreach at JMPSC. He is a senior at Accel Middle College and works as a tutor for undergrad math at Evergreen Valley College. He spends his time running, watching anime, and studying cool maths.
Ari Wang
Board Member
Ari is a rising sophomore at Brown University studying math and computer science. He was a founding member of JMPSC and enjoys tutoring and teaching math.
Kevin Yang
Head Problem Writer
Kevin Yang is a rising sophomore at Skyline High School in Washington. He received an honorable mention on the 2024 USAJMO, and his favorite subject in math is graph theory.
Jacob Khohayting
Head Problem Writer
Jacob is a sophomore at American Heritage School Broward. He attended the 2024 HCSSiM Summer Program and is a AMC 10 Distinguished Honorable Mention Qualifier. Jacob enjoys solving geometry problems and participating in competitive programming.
Souradip Das
Head Problem Writer
Souradip is a rising senior from India. He is an RMO qualifier (equivalent to the AIME for US), and is a 2 times AIME qualifier. Additionally he is a 2 times MTRP qualifier and was selected to attend camps for consecutive years at the Indian Statistical Institute (ISI). Besides math, he likes to play chess and watch cricket.
Jason Mao
Problem Writer
Jason is a rising senior at The Academy for Math, Science and Engineering in Rockaway, New Jersey. He is a four-time USA(J)MO qualifier and received a bronze medal at the 2024 USAMO. Outside of math, he enjoys writing essays for his English classes, grinding for a total of 1000 cumulative wins in GamePigeon Word Hunt, and being disappointingly bad at piano.
Raymond Zhu
Problem Writer
Raymond is a high school sophomore who writes problems for JMPSC. He has qualified for the AIME 4 times, and enjoys spending his time solving 1-by-1 rubik's cubes.
James Yang
Problem Writer
James is currently a rising 8th grader at Lakeside Middle School, he has done many math competitions such as the Mathcounts Series, the AMC's. One of his most notable accomplishments was getting a 10 on the amc8 in 1st grade, and in his freetime he likes going to the zoo.
Eric Lee
Problem Writer
Eric is an incoming freshman from New Jersey. Besides math, he has a passion for economics and finance.
Max Xie
Problem Writer
Max is a 10th grader at Tesla Stem High School, and enjoys 3D printing in his freetime.
Ali Rizwan
Problem Writer
Ali is a high school sophomore who qualified for AIME and received a perfect score on the AMC10 exam. Aside from doing math problems, Ali focuses on giving back to his community through volunteering and tutoring children with a vision of assisting them in crossing the bridge of education.