Anti-Fraud & Investigation Sr. Manager

- Build and manage a 150 person fraud operations team; define KPIs, SLAs, and performance frameworks - Develop and optimize transaction fraud detection rules and strategies; dynamically adjust risk parameters - Lead end-to-end investigation of complex fraud cases (ATO, application fraud, friendly fraud, etc.) - Own the chargeback dispute process; develop rebuttal strategies and manage Mastercard/Visa relationships - Conduct operational-level AML transaction screening; support the Compliance Officer on regulatory reporting - Deliver regular management reporting on fraud losses, team KPIs, and risk exposure.