Led S/4HANA BRIM implementation processing 8M+ monthly invoice items with 99.8% billing accuracy. Architected Subscription Order Management for 4M+ subscriber accounts with real-time modifications. Recovered $15M in annual revenue leakage through Convergent Charging and Financial Customer Care optimization.

Architected end-to-end OTC operations for a $2.5B revenue corporation across 22 countries. Configured 80+ condition types, pricing procedures, milestone billing, intercompany flows, EDI-based invoice transmission to 500+ trading partners. Reduced order-to-cash cycle by 40% while delivering 2 weeks ahead of schedule.

Led S/4HANA Embedded EWM implementation across 12 temperature-controlled warehouses managing 50,000+ SKUs. Configured warehouse structures, wave management, putaway strategies, serialization, batch management, and RF framework. Achieved 99.98% inventory accuracy, eliminating $18M variance.

Built BRIM-based subscription billing for 200+ enterprise accounts generating $180M ARR. Configured Convergent Charging for IoT usage data, automated rebate calculations for $45M annual settlements, and SAP RAR for ASC 606 revenue recognition with zero audit findings.

Managed OTC migration for 30,000+ materials and 800+ customers from ECC to S/4HANA. Resolved 150+ simplification items, deployed 15+ Fiori apps, configured advanced pricing with multi-tier scenarios. Phased approach with parallel testing achieved seamless cutover.