Jieun Lim Carnegie Mellon University class of 2026 AlphaStar Alumni AlphaStar Math Curriculum Developer (2020) AlphaStar TA (2020 - 2021) AIME Qualifier (3 times) Math Prize for Girls Qualifier (2 times) Courses MC35G AMC 10/12 Advanced Geometry - Section 1 MC35N AMC 10/12 Advanced Number Theory - Section 1 MC35ACGN AMC 10/12 Advanced Fundamentals - Section 1 MC35G AMC 10/12 Advanced Geometry