Sergio Castillo is an experienced professional with expertise in electoral processes and technical support. With a degree in Electrical, Electronics, and Communications Engineering from Instituto Politécnico Nacional, Sergio has held various roles including Profesional Especializado en Procesos Electorales at Instituto Nacional Electoral in multiple tenures, and as a Benefit Processor I at Aon since October 2025. Additional experiences include support engineer at AT&T México and technical consultant roles at SAT and INE, demonstrating a strong background in both customer support and technical consultancy within electoral systems.
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