Jan Sebastian, SE, CPSAK  has extensive experience in building automation solutions for leading companies in Indonesia. He has helped businesses streamline processes, eliminate inefficiencies, and achieve sharper analysis through customized Excel workflows and ERP integration.

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His professional background combines finance, accounting, and system automation, enabling him to bridge the gap between business needs and technology. His experience spans across leading organizations such as Astra, Deloitte, and high-growth tech companies, where he developed strong expertise in financial processes, operational efficiency, and scalable system implementation.