Open to opportunities

William Cullen

@williamcullen

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I lead accounts payable operations, controls, audits, and accounting system transitions.

United States

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What I'm looking for

I'm looking to lead accounting operations, strengthen controls and compliance, improve systems and processes, and develop teams in a collaborative organization.

At Naval Nuclear Laboratory, I lead accounts payable operations for five locations, overseeing a six-person team, vendor maintenance, audit reporting, and weekly ACH, check, and wire payments totaling roughly $30 million.

I've helped move accounting operations from Oracle OEBS to Oracle Fusion Cloud, trained six accounts payable employees, and created guides that improved the invoice approval process for requestors and contracts professionals. I also manage month-end and year-end close activities, 1099 processing, and DOE payment integrity audit reporting.

Previously at Tetra Tech, I managed accounts payable and expense reporting for three divisions and became the designated expense-report subject matter expert for Chrome River. I partnered with IT to route hundreds of daily expense reports across five divisions to the appropriate project managers in real time.

My background also includes general ledger reconciliations, escrow compliance, accounts receivable, collections, cash application, banking operations, and accounting-system transitions at Professional Closing Network, ServiceLink, and Kraft Heinz. I bring hands-on experience with Oracle, SAP, Excel, GAAP, SOX, audits, and process improvement.

Experience

Work history, roles, and key accomplishments

Senior Accountant

Naval Nuclear Laboratory

Aug 2022 - Apr 2026 (3 years 8 months)

Led Accounts Payable Team (6 team members), audit reports, and vendor maintenance for five Naval Nuclear Laboratory locations. Reviewed vendor invoices for appropriate documentation and compliance with DOE policies.

Accounts Payable Team Leadership Audit Vendor Management Oracle Fusion Cloud SOX Data Analysis Process Improvement

Accountant II

Tetra Tech

Jul 2019 - Aug 2022 (3 years 1 month)

Responsible for accounts payable and expense reports for three Tetra Tech Divisions. Reviewed vendor invoices for appropriate documentation and coordinated payments to internal and external clients.

Accounts Payable Expense Reporting Chrome River Training Process Improvement Data Analysis

Staff Accountant

Professional Closing Network

Dec 2016 - Jul 2019 (2 years 7 months)

Assisted the Controller with special projects, analyzed and reconciled general ledger accounts, intercompany activities, and bank reconciliations. Completed daily and monthly reconciliation of attorney escrow accounts ensuring compliance with state regulations.

General Ledger Accountant Bank Reconciliation Accounts Receivable Accounts Payable Escrow Training Excel

Accounts Receivable Accountant

ServiceLink

Jul 2015 - Feb 2016 (7 months)

Responsible for remote deposit and application of attorney checks, monthly loss mitigation payments, and monthly VGS payments in MAS500 for various clients. Communicated with customers to rectify invoices, refunded attorney clients, and generated aging reports.

Accounts Receivable Bank Reconciliation Cash Application Journal Entries Oracle

Collections Analyst

Kraft Heinz Company

Apr 2014 - Dec 2014 (8 months)

Managed a customer portfolio of 180 customers and $50M, accounts ranging from a few hundred dollars up to $6M. Responsible for preparation, modification, and correction of customers invoices through regular mail, fax, email, or EDI.

Collections Customer Portfolio Management Invoicing EDI SAP

Mortgage Disbursement Assistant Supervisor

Professional Closing Network

Dec 2012 - Nov 2013 (11 months)

Achieved maximum output and maintained high quality, customer service in a time-critical environment. Ensured correct and timely disbursement of funds to title companies, insurance companies, creditors, and borrowers for refinancing and property purchases.

Wire Transfers Customer Service Time Management Process Improvement