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Nat Jimenez

@natjimenez

Fraud Manager at MIO who assessed its acquiring anti-fraud framework and created a prioritized roadmap and KPI dashboard.

Dominican Republic

Message

At MIO, I led fraud prevention across issuing and acquiring, balancing authorization performance with protection for cardholders and affiliated merchants. I assessed the acquiring anti-fraud framework across 28 components and created a prioritized work plan, 12-month roadmap, and KPI dashboard.

At Asociación Popular de Ahorros y Préstamos (APAP), I designed fraud prevention and detection strategies supported by statistical, analytical, and artificial intelligence models. Earlier, at Banco Popular Dominicano, I was responsible for preventing and detecting fraud on cards and transfers, and supervised ATM transactions.

Experience

Work history, roles, and key accomplishments

Fraud Manager

MIO

May 2026 - Sep 2026 (4 months)

Led fraud prevention across issuing and acquiring, covering cardholders and affiliated merchants. Tracked authorization rates, designed risk policies, and built a maturity assessment of the acquiring anti-fraud framework.

Fraud Prevention Fraud Detection Risk Policy Authorization Rate Transaction Data Analysis Visa VFMP Data Integrity ECP 3DS2 Compliance KPI Dashboards Gap Analysis Anti Fraud Platform Evaluation Business Case Development

Manager, Fraud Analytics & Modeling

Asociación Popular de Ahorros y Préstamos (APAP)

Jan 2025 - Feb 2025 (1 month)

Designed prevention and detection strategies backed by statistical, analytical, and AI models. Led and fine-tuned models to proactively identify anomalous patterns and presented reports to senior leadership.

Fraud Analytics Statistical Modeling AI Models Anomaly Detection Strategy Implementation Reporting

Manager, Fraud Prevention & Control

Asociación Popular de Ahorros y Préstamos (APAP)

Jan 2021 - Jan 2025 (4 years)

Led the fraud prevention unit, managing fraud risk across digital channels, cards, ATMs, and transfers. Developed risk policies and automated regulatory and strategic reports with KPIs.

Fraud Prevention Fraud Control Risk Management Digital Channels Cards ATMS Transfers Risk Policy Regulatory Reporting KPI Reporting Team Leadership

Manager, Fraud Prevention

Banco Popular Dominicano

Jan 2013 - Jan 2021 (8 years)

Responsible for preventing and detecting fraud on cards and transfers. Supervised ATM transactions, managed regulatory reporting, and implemented customer service strategies.

Fraud Prevention Fraud Detection Cards Transfers ATM Oversight Regulatory Reporting Customer Service