Antonio López Guzmán

Antonio López Guzmán is a Mexican mathematical olympiad competitor from Ciudad Delicias, Chihuahua. He won a bronze medal for Mexico at the International Mathematical Olympiad (IMO) 2015 and a silver medal at IMO 2016 in Hong Kong, scoring 24 points and ranking 94th. He also took gold at the 2015 Iberoamerican Mathematical Olympiad (OIM) and the 2014 Central American and Caribbean Mathematical Olympiad (OMCC), and bronze at the 2016 Romanian Masters of Mathematics (RMM). After competing he worked as a teacher and adviser for primary and secondary students in Chihuahua preparing for math olympiads, and volunteered tutoring middle-schoolers in Ciudad Delicias.

Notes3

• Won silver at IMO 2016 with 24 points (rank 94) and bronze at IMO 2015, making him one of Mexico's strongest olympiad competitors of his cohort; Mexico's 2016 team combined score (126) placed 23rd overall.
• His results span five distinct olympiads (IMO, OIM, OMCC, RMM, national contests), indicating sustained multi-year elite performance rather than a single peak.
• After competing he stayed in the ecosystem as a coach/adviser for olympiad students in Chihuahua, a common path where top Mexican medalists feed the state training pipeline.
• IMO contestant ID 25895 on the official IMO results site links his per-contest history.