Lead techno-functional ERP integration strategy and architecture for Navan Expense and customer ERP ecosystems. Design scalable EAI/ETL solutions using middleware, APIs, cloud platforms, and modern integration patterns. Analyze functional gaps, define integration roadmaps and governance, ensure security and data alignment, guide implementation teams and consultants, and monitor performance, error handling, and recovery. Collaborate with consultants, managers, executives, and technical teams to deliver effective financial, supply chain, and HR system integrations.