Sawyer Vancoillie

Detail-oriented Accounts Payable Specialist with over 3 years of experience managing high-volume financial operations across multiple entities. Proven ability to process 200+ weekly invoices, perform rigorous 3-way matching, and execute timely payment runs (ACH, wire, check) while maintaining strict compliance with tax and reporting requirements. Proficient in multiple ERP systems (SAP, Microsoft Dynamics 365, NetSuite, Great Plains) and advanced Excel (XLOOKUP, pivot tables) for data analysis.

Strong track record of supporting month-end close activities, optimizing AP workflows, and collaborating cross-functionally to resolve vendor inquiries and ensure operational efficiency.

Accounts Payable Specialist at Z-Modular (2024-06 – 2026-05)

• Managed high-volume AP operations by processing and coding 200+ invoices weekly in SAP and MS Dynamics 365, ensuring strict compliance with internal accounting policies and tax requirements.
• Executed weekly payment runs (ACH, wires, checks) and maintained accurate vendor master records, responding to vendor inquiries promptly and professionally.
• Supported month-end close activities by preparing journal entries, calculating accruals, and reconciling the AP subledger to the general ledger to ensure expenses were recorded in the correct period.
• Performed meticulous 3-way matching between POs, invoices, and receipts to authorize payments, prevent overbilling, and maintain continuous process improvement.
• Collaborated closely with cross-functional project managers to review invoices, resolve billing discrepancies, and ensure proper budget allocation and purchase order funding.

Client Support Specialist (Financial Services) at Santander (2022 – 2023)

• Assisted clients with complex financial inquiries, reviewing transaction histories to identify and resolve discrepancies with a strong focus on decision quality and accountability.
• Supported the processing of client payments, transfers, and ACH transactions in strict compliance with banking regulations and documentation requirements.
• Investigated billing errors in collaboration with internal finance teams, minimizing risk, optimizing workflows, and improving overall client satisfaction.
• Maintained accurate financial records within banking systems to support ongoing audit and compliance efforts.

Accounts Payable Specialist / Accounting Assistant at Fascinations (2020-01 – 2021-05)

• Entered and coded high volumes of vendor invoices into Great Plains ERP with accurate General Ledger (GL) coding, consistently meeting multiple tight deadlines.
• Supported the administration of corporate expense reporting programs by processing employee expense reports and reimbursements, auditing transactions for compliance with company spending policies.
• Reconciled monthly vendor statements, identifying and resolving billing discrepancies to maintain account accuracy and strengthen vendor relations.
• Audited daily online store transactions and expense activity to ensure the accuracy and integrity of financial data.

Bachelor of Science in Finance – Arizona State University

Pathway Program in Accounting / Finance – Mesa Community College (2021)