Hao-Yu Gan lives in New York City and is currently a student at Hunter College High School. He has a passion for mathematics and spends a lot of his time solving math problems. His favorite math subject is combinatorics, with algebra being a close second. In his free time, he enjoys playing video games, the piano, going rock climbing, and occasionally playing handball with his friends. Â Hao-Yu has been with IAC since the summer of 2023 and has contributed to many areas of the project development.