Janson Ho

Janson Ho (listed in official IMO results as 'Ho Janson') is a Malaysian secondary-school student and competition mathematician at Cempaka International School, Damansara Heights, Kuala Lumpur. He represented Malaysia at the 66th International Mathematical Olympiad (IMO 2025, Sunshine Coast, Australia), winning a silver medal at age 14 on his debut, and at the 67th IMO (IMO 2026, Shanghai, China), winning gold - Malaysia's seventh-ever IMO gold medal and the youngest by a Malaysian. He has competed since primary school (SJK(C) Puay Chai), including SMO platform competitions from age seven and an Asia-Pacific Informatics Olympiad bronze in 2025.

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• Won silver (score 29) at IMO 2025 (Sunshine Coast, Australia) at age 14 on his debut and gold (score 29) at IMO 2026 (Shanghai) - both from the same 29-point score, showing a consistent top-tier ceiling across two contests.Jul 26, 2026
• His IMO 2026 gold was Malaysia's 7th in IMO history and he is the youngest Malaysian IMO gold medalist; Malaysia finished 19th of 117 countries with a national-record 142 points (beating 2025's 139).Jul 26, 2026
• Named among the youngest medalists in IMO history in Wikipedia's participant list (silver at 14 years 188 days), placing his 2025 result among the youngest silver-medal performances on record.Sep 11, 2026
• Won bronze at the Asia-Pacific Informatics Olympiad (APIO) 2025 representing Cempaka, showing range beyond pure math Olympiad into competitive programming.May 28, 2025
• Attends Cempaka International School, Damansara Heights, Kuala Lumpur - the same school cited on his APIO 2025 entry, indicating a stable school base as he reached international level.May 28, 2025
• Started competition math early: as a 9-year-old at SJK(C) Puay Chai he appeared in the SMO Inspire Series (Feb 2022), describing competing since age seven across SMO-run contests - a roughly seven-year run-up from primary-school Olympiads to an IMO gold.Feb 24, 2022
• Shared Malaysia's IMO 2026 stage with teammates Tan Rui Xuen and Chia Ming Han (both silver debuts) and Cheng You Seng, under team leader Ivan Chan Kai Chin - the cohort likely to form Malaysia's next IMO cycle.Jul 26, 2026
• No public LinkedIn, X/Twitter, GitHub, or personal website attributable to him was found; this is consistent with a minor pre-university competitor who has no professional online footprint yet.Sep 11, 2026