Katherine M. Guess
FORT WORTH,TX
Summary
I am an experienced professional with outstanding organization, communication, and interpersonal skills. I have successfully worked in a wide variety of environments and cultures where ambition, self-motivation, productivity, efficiency, and flexibility were a must.
Overview
16
16
years of professional experience
Work History
Billing Specialist
Cavis Energy
Fort Worth, TX
07.2025 - 03.2026
- Reviewed field tickets, job reports, and service data into internal billing and job tracking systems
- Reviewed and verified accuracy of service documentation (field tickets, purchase orders, work orders)
- Generated and processed customer invoices in accordance with client contracts and pricing structures
- Tracked and resolved discrepancies between field data, client records, and billing terms
- Collaborated with field personnel, operations managers, and accounting staff to ensure timely billing and data accuracy
- Maintained organized records of tickets, invoices, and supporting documentation
- Assisted with accounts receivable follow-up and reconciliation of outstanding balances
- Ensured compliance with customer billing portals and submission guidelines (e.g., OpenInvoice, Ariba)
- Prepared reports on billing status, revenue tracking, and invoice aging as needed
AR Specialist (Contract)
Sanara MedTech
01.2024 - 04.2024
- Performed daily cash management duties including posting of cash to the A/R sub-ledger, processing credit cards and ensured all credits were applied.
- Reviewed POs using established processes to ensure accurate daily invoicing by end-of-day.
- Created and maintained customer accounts ensuring current billing and contact information.
- Maintained accounts receivable records to ensure aging is current, credits and collections applied, uncollectible amounts accounted for, and miscellaneous differences are cleared.
- Monitored and collected AR by contacting customers via email/telephone while maintaining current collection notes in the system.
- Daily invoicing of purchase orders by end-of-day in accordance with best practices (~100 per day)
Accounting Manager
Fittings Unlimited, Inc.
04.2023 - 09.2023
- Managed and oversaw the daily operations of Accounts Receivable and Accounts Payable.
- Managed the accounting staff who are responsible for billing, collections, and budget preparation.
- Analyzed accounting data and generated financial reports or statements.
- Recruited and hired accounting staff and conducts performance evaluations.
- Coordinated training programs for new staff and identifies training needs for current staff.
- Established internal controls and guidelines for accounting transactions and budget preparation.
- Oversaw preparation of business activity reports, financial forecasts, and annual budgets.
- Oversaw the production of periodic financial reports; ensures that the reported results comply with generally accepted accounting principles or financial reporting standards.
- Presented recommendations to management on short- and long-term financial objectives and policies.
- Provided financial analysis with an emphasis on capital investments, pricing decisions, and contract negotiations.
- Ensured compliance with local, state, and federal government requirements.
- Performed other related duties as necessary or assigned, such as back up payroll processing.
AP Administrator
Fittings Unlimited, Inc.
07.2019 - 03.2023
- Reviewed and verified invoices and check requests, sorted, coded, and matched invoices and set invoices up for payment and entered and uploaded into system.
- Tracked expenses and processed expense reports and all credit card transactions for payment.
- Prepared and performed check runs and vendor payments, prepared and processed electronic wire transfers and payments.
- Posted transactions to journals, ledgers, and other records and reconciled AP transactions.
- Prepared analysis of accounts.
- Monitored accounts to ensure payments are up to date.
- Researched and resolved invoice discrepancies and issues.
- Maintained vendor files.
- Corresponded with vendors and responded to inquiries.
- Produced monthly reports and assisted with month end closing.
- Monitored cash flow and LOC Balance.
- Produced all necessary payables reports daily and created Inventory Allocation Report Monthly.
- Monitored and balanced General Ledger Accounts Monthly
- Collaborated with Purchasing Department to prepare and process international wire payments for Import Shipments.
- Maintained purchase order files daily.
AR Manager
Xcell Networks, Inc.
07.2016 - 01.2018
- Managed high volume (50+ million) invoice process, ensuring all invoicing was timely and accurate.
- Ensured timely collection of monies due.
- Monitored and reported on deviations from credit standards.
- Managed cash application, confirming all cash receipts were applied properly.
- Conducted credit checks for all customers, established and managed limits.
- Point person for recommendations to improve quality of invoicing and collection procedures.
- Analyzed and resolved all invoice/PO issues, process issues, etc. to improve process flow.
- Designed and generated reports for invoicing totals/aging totals/cash receipts/invoice adjustments on a daily, weekly, monthly, and ad-hoc basis.
Operations Support Coordinator II
Goodman Networks
05.2010 - 07.2016
- Managed high volume (70+ million) vendor invoice processing by working vendor invoice submissions, log submission and tracking, process/enter Oracle database to create receipts.
- Assisted in development of VPO Receiving process, key participant in User Acceptance Testing and development and maintenance of SharePoint invoice tracking tool.
- Point person for Upper Management, Teammates, Vendors, and Field staff for process questions and improvements.
- Analyzed and resolved all GC and invoice/PO issues, process issues, etc. to improve process flow.
- Ensured all customer purchase orders are acknowledged and expedited all open purchase orders.
- Responsible for recording all incoming purchase orders and maintaining invoicing records for 40+ projects using advanced Excel skills.
- Using Oracle Discoverer reporting, provided market with documentation of incoming POs, discrepancies between vendor quotes and customer POs.
- Worked directly with management and customers to reconcile quote and PO differences.
- Maintained invoice forecast and actualization reports for management, staff, and customers.
- Worked directly with Project Management, Operations, and Financial Controls staff to set and consistently meet invoicing goals.
- Processed, on average, over $8 million in monthly invoicing using Oracle and SharePoint systems.
- Generated and provided reports to market team members analyzing current invoicing against weekly, monthly, and 17-week Master Business Review forecasts
- Maintained close working relationships with major clientele to assure customer centered invoice receipt and payment, focusing on problematic and delinquent accounts when applicable
- Worked effectively with Accounts Receivable Manager to resolve customer payment discrepancies.
- Using Oracle Systems – entered customer site addresses, opened, approved and closed projects, created projects tasks, manually created customer POs, allocated EDI based POs converting between various Oracle PO formats as necessary, and transferred POs between projects
Education
Bachelor of Arts - Organizational Leadership
Reinhardt College
Waleska, GASkills
- General Accounting
- Accounts Payable
- Accounts Receivable
- Payroll
- Collections
- Reconciliation
- Month End/Year End Close
- Purchasing/Purchase Orders
- Vendor Management
- Management
Computer Proficiancy
- MS Office
- Oracle
- SharePoint
- Great Plains
- QuickBase
- QuickBooks
- Distribution One
- NetSuite
Timeline
Billing Specialist
Cavis Energy
07.2025 - 03.2026
AR Specialist (Contract)
Sanara MedTech
01.2024 - 04.2024
Accounting Manager
Fittings Unlimited, Inc.
04.2023 - 09.2023
AP Administrator
Fittings Unlimited, Inc.
07.2019 - 03.2023
AR Manager
Xcell Networks, Inc.
07.2016 - 01.2018
Operations Support Coordinator II
Goodman Networks
05.2010 - 07.2016
Bachelor of Arts - Organizational Leadership
Reinhardt College