AlphaStar / 05/18/2022 Vivian Han Short Bio AlphaStar Alumni MIT Class of 2026 European Girls’ Olympiad in Informatics (2021:Bronze medal) USACO Platinum Contestant (since 2019) Events this person is involved with: Instructors CC41A USACO Gold Basic A - Section 1 CC35A USACO Silver Advanced A - Section 1 CC35B USACO Silver Advanced B - Section 1 CC41B USACO Gold Basic B - Section 1