Mariel Lalu

Led advanced claims processing and reconciliations, maintained dispute documentation and compliance, modeled payment calculations for reporting, and escalated cases for legal or process improvements.

Processed and reconciled high volumes of invoices and payment applications, resolved vendor and customer billing disputes to reduce aging balances, and supported month-end reporting and audit readiness while ensuring VAT compliance and internal control adherence.

Supervised AP team operations, ensured SLA compliance, prepared monthly reconciliations and tax reports, improved controls to prevent duplicate payments, and covered managerial duties during absences.

Processed vendor payments, validated invoice compliance with contracts and approvals, supported audits, prepared supplier reconciliations, and assisted in multi-country tax reporting to ensure timely payments.

Managed invoicing and collections, produced aging reports to reduce DSO, resolved billing disputes with cross-functional teams, and ensured accurate posting of customer payments.

Posted invoices in SAP, reconciled vendor accounts and chargebacks, prepared vendor statements, and met SLAs to ensure accurate and timely invoice payments.

Completed the Bookkeeping Basics certification covering foundational bookkeeping concepts and practical accounting tasks.

Passed the Civil Service Commission examination (April 2016) demonstrating qualification for civil service positions.

Completed a Bachelor in Banking and Finance program with coursework focused on financial services, banking operations, and finance principles.