Joshua Yin UCLA Class of 2025 AIME Qualifier (2019-2022) USAPhO Honorable Mention (2022), Semifinalist (2021) Courses MC20ACGN AMC 8/MathCounts Basic Fundamentals - Section 1 MC25ACGN AMC 8/MathCounts Advanced Fundamentals - Section 1 AIME Basic BOOSTER