Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Shelby Barrett

Durant,OK

Summary

Detail-oriented Accounts Receivable and customer service professional with proven experience managing high-volume portfolios, resolving billing discrepancies, and driving timely collections. Recognized for strong communication, cross-functional collaboration, and process improvement initiatives that enhance efficiency and customer satisfaction. Currently expanding expertise in accounting operations, AP processes, and financial systems.

Overview

1
1
Certification
11
11
years of professional experience

Work History

Customer Accounts AR Specialist

SumnerOne
Bixby, OK
06.2023 - Current

Working in a fast-paced business environment managing a high-volume accounts receivable portfolio. Responsible for supporting customers and internal teams by handling billing inquiries, processing payments, resolving account discrepancies, and ensuring timely collections. Utilize multiple ERP systems and Microsoft Excel to generate reports, track account activity, and improve workflow efficiency while maintaining strong customer relationships and reducing delinquency.

CUSTOMER SERVICE REPRESENTATIVE – WATER DEPARTMENT

City of McAlester
McAlester, OK
12.2020 - 06.2023

Provided customer support within a municipal utility department, managing billing operations and assisting residents with account inquiries, payment options, and service-related requests. Processed monthly utility billings, handled account adjustments and refunds, and managed collections activities including returned payments and shut-off notices while ensuring accuracy and compliance with city procedures.

Store Manager

Advance America
McAlester, OK
05.2015 - 08.2020

Led daily operations of a financial services retail location, overseeing customer accounts, loan processing, and regulatory compliance. Managed cash handling, deposits, and audit performance while driving customer growth through relationship building and referral partnerships. Supervised staff, ensured accurate documentation, and maintained high standards of service, organization, and operational efficiency.

Education

Associate of Applied Science - General Studies

Southeastern Oklahoma State University
05-2010

High School Diploma -

McAlester High School
McAlester OK
05-2008

Skills

  • Accounts Receivable & Collections
  • Billing & Invoicing Accuracy
  • Client communication
  • Payment tracking
  • Customer Account Management
  • ERP Systems & Financial Software
  • Microsoft Excel & Reporting
  • Dispute Resolution
  • Process Improvement
  • Cross-Functional Collaboration
  • Payment Arrangements & Credit Holds
  • Training & Onboarding

Certification

  • NACM Connect (2025)

Credit 101 - 103

  • AAIM Training (2024–2025)
    Delegating & Empowering Others
    Mastering Conflict Resolution
    Personal Productivity
    Preventing Procrastination

Timeline

Customer Accounts AR Specialist

SumnerOne
06.2023 - Current

CUSTOMER SERVICE REPRESENTATIVE – WATER DEPARTMENT

City of McAlester
12.2020 - 06.2023

Store Manager

Advance America
05.2015 - 08.2020

Associate of Applied Science - General Studies

Southeastern Oklahoma State University

High School Diploma -

McAlester High School
Shelby Barrett