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John Michael Sierra Garay is a dedicated professional with extensive experience in business development and specialized business management. Currently serving as a Business Development Representative at Cervecería Nacional since March 2022, John previously held the position of Gestor de negocios especializados at Banco Guayaquil from October 2014 to February 2022. John holds a degree in Administración y Dirección de Empresas from Tecnologico EuroAmericano, which was completed in September 2021.