Summary
Overview
Work History
Education
Skills
Timeline
Generic

Tina Williams

Upper Chichester,PA

Summary

Results-driven Senior Accounts Payable & Accounting Professional with 25+ years of experience managing and overseeing full-cycle AP/AR operations, financial reporting, month-end processes, and process improvements across multiple industries. Proven ability to lead implementation and training of financial systems, including Concur and Emburse (formerly Certify), with extensive experience using ERP systems such as MIP, Sage, QuickBooks, Traverse, and T&M Pro. Strong background in job costing, AIA billing, reconciliations, internal controls, and team leadership within nonprofit, construction, and corporate environments. Professional with strong background in finance management, specializing in accounts payable processes. Demonstrates high level of accuracy, efficiency, and problem-solving skills in managing vendor relationships and ensuring timely payments. Focused on team collaboration, adaptability, and achieving measurable results. Skilled in financial software, process optimization, and compliance. Known for reliability and results-driven approach.

Overview

10
10
years of professional experience

Work History

Accounts Payable Manager

CADES School
Swarthmore, PA
01.2022 - Current
  • Manage full-cycle AP/AR operations while supervising a team of 2 staff
  • Perform month-end close, reconciliations, and financial review
  • Prepare bank and GL reconciliations, resolving discrepancies
  • Oversee expense reimbursement and corporate card program
  • Audit expense reports for compliance and accuracy
  • Train staff on Concur and Emburse systems
  • Led Concur implementation and training
  • Process ACH and deposits with accurate records
  • Ensure vendor compliance (W-9, insurance)
  • Review invoices with proper GL coding
  • Manage petty cash
  • Improve internal controls and AP workflow

Controller

North American Machine Works
Folcroft, PA
01.2021 - 01.2022
  • Oversaw full-cycle accounting operations including AP, AR, payroll and general ledger.
  • Managed financial reporting reconciliation and month-end close process.
  • Supervised payroll processing and employee compensation for 35+ employees.
  • Ensured compliance with financial policies, internal controls and regulatory requirements.
  • Oversaw accounts payable and receivable, supporting high volume monthly expenses.

Billing Analyst

Robert Half / Bluesky Restoration
Centennial, CO
01.2021 - 01.2021
  • Managed billing using T&M Pro
  • Coordinated accurate invoicing
  • Maintained billing records
  • Ensured GL compliance
  • Managed all accounts payable functions for busy 40-person office.
  • Verified accuracy of accounts payable payments, resulting in 25% reduction in payment errors and check reissues.

Job Cost Accountant

Design Mechanical
Louisville, CO
01.2018 - 01.2021
  • Managed job costing, budgeting, and financial tracking for 50+ active construction and service projects.
  • Prepared and processed AIA billing, ensuring accuracy and compliance with contract terms.
  • Maintained project financials records and supported 2M+ project budgets
  • Analyzed job cost vs. estimates identifying variances.
  • Prepared detailed cost reports, increasing visibility into project profitability and spending

Assistant to Controller / AP Manager

Katzon Brothers
Denver, CO
01.2016 - 01.2018
  • Supported Controller with payroll processing, reporting and financial operations for about 50+ employees.
  • Processed accounts payable and performed bank and general ledger reconciliation handling 100+ invoices monthly
  • Managed IFTA fuel reporting and tracking for company fleet, ensuring compliance with state regulations.
  • Maintained accurate financial records and ensured timely processing of invoices and payments.

Education

Associate of Applied Science - Accounting

Delaware County Community College
Media, PA
01-2026

Certified Nursing Assistant -

Front Range Community College
Westminster, CO
01.2005

GED -

Emily Griffith Opportunity School
Denver, CO
05.1988

Skills

  • Full-Cycle Accounts Payable & Receivable
  • General Ledger & Bank Reconciliation
  • Financial Reporting & Month-End Close
  • Vendor Management & W-9 Compliance
  • Expense Reimbursement & Corporate Card Management
  • Job Costing & Project Accounting
  • AIA Billing
  • ERP Systems: MIP, Sage, Concur, Emburse (formerly Certify), Traverse, QuickBooks, T&M Pro
  • Process Improvement & System Implementation
  • Audit Support & Internal Controls
  • Microsoft Excel, Word, SharePoint
  • Team Leadership, Training & Development
  • Payroll Processing

Timeline

Accounts Payable Manager

CADES School
01.2022 - Current

Controller

North American Machine Works
01.2021 - 01.2022

Billing Analyst

Robert Half / Bluesky Restoration
01.2021 - 01.2021

Job Cost Accountant

Design Mechanical
01.2018 - 01.2021

Assistant to Controller / AP Manager

Katzon Brothers
01.2016 - 01.2018

Associate of Applied Science - Accounting

Delaware County Community College

Certified Nursing Assistant -

Front Range Community College

GED -

Emily Griffith Opportunity School
Tina Williams