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Adriene Mathis

@adrienemathis

I improve cash flow through credit risk management and receivables collections.

I've managed credit, collections, and accounts receivable work across Negwer Materials, Gathr Outdoors, Fleetcor (Corpay), Hub Group, and Credit Control LLC.

At Negwer Materials, I manage past-due accounts, evaluate customer creditworthiness, monitor credit exposure, reconcile billing issues, and support DSO and cash-flow objectives. I also prepare lien waivers, maintain customer credit files, and resolve unapplied funds.

My background includes high-volume AR and AP processing, cash application, aging analysis, account reconciliation, B2B collections, team coaching, and process documentation using ERP systems and Excel.

Experience

Work history, roles, and key accomplishments

Current

Temporary Consultant / Senior Credit & Collections Analyst

Current

Negwer Materials

Mar 2026 - Present (6 months)

Managed a portfolio of past-due accounts, conducting weekly collection outreach and establishing payment arrangements. Evaluated credit applications and monitored customer credit exposure to mitigate risk.

Credit Risk Management Collections Accounts Receivable B2B Collections Lien Waivers Customer Relationship Management Invoicing Payment Processing Account Reconciliation

Accounts Receivable Specialist

Gathr Outdoors

Jun 2022 - Feb 2026 (3 years 8 months)

Processed high-volume accounts receivable transactions across multiple ERP systems and managed daily cash application activities. Researched and resolved payment discrepancies and performed account reconciliations.

Accounts Receivable Cash Application ERP Account Reconciliation Collections Customer Portal Process Improvement Excel

Accounts Payable Specialist

Fleetcor (Corpay)

Aug 2019 - May 2022 (2 years 9 months)

Processed high-volume accounts payable invoices using Microsoft Dynamics GP and executed weekly check runs. Utilized Excel and Smartsheet to prepare invoice files and reconcile payment data.

Accounts Payable Microsoft GP Excel Smartsheet Invoice Processing Vendor Reconciliation Payment Processing

Accounts Receivable Specialist

Hub Group

Feb 2016 - Jul 2019 (3 years 5 months)

Managed B2B accounts receivable for transportation and logistics customers, analyzing aging reports to prioritize collections. Investigated and resolved invoice discrepancies and payment disputes.

Accounts Receivable B2B Collections Excel Ageing Reports Dispute Resolution ERP Transportation Management Systems

Collections Manager

Credit Control LLC

Jan 2012 - Dec 2015 (3 years 11 months)

Updated internal systems with status changes and payment agreements, ensuring accurate receivables status. Tracked KPIs such as recovery rates and call volumes, and provided training and coaching to the collections team.

Collections Management KPI Tracking Team Leadership Training Accounts Receivable