Summary
Overview
Work History
Education
Skills
Section name
Timeline
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Mary K. Callahan

Mary K. Callahan

Granbury,TX

Summary

Proficient accounting professional with experience specializing in the Heavy Equipment Service and Oilfield Logistics industry seeking full time employment. Major responsibilities have included: Billing Manager, Accounts Receivable Manager, Credit Manager, Service Administrator, Assistant Controller, HR Support Specialist and Logistics Accounting Liaison

Overview

20
20
years of professional experience

Work History

Accounting Manger

Dysol Inc
Rhome, Texas
04.2018 - Current
  • Managed journal entries, collection efforts, reconciliations, and payroll processing.
  • Managed banking reconciliations and monthly balance sheet statements.
  • Managed relationships with external vendors, ensuring timely payments and accurate recording of expenses.
  • Completed bi-weekly payroll for 80+ company employees.
  • Tracked business revenue and expenditures and reconciled accounts to maintain high accuracy.
  • Developed and implemented various procedures to improve accounting process.
  • Generated monthly and quarterly financial statements for executive review.
  • Streamlined month-end closing procedures resulting in reduced processing time without compromising accuracy or completeness of the reports generated.
  • Reduced discrepancies in financial data with thorough account reconciliations and adjustments.
  • Managed successful audits by collaborating effectively with internal and external auditors.
  • Collaborated with other departments to achieve accurate and prompt financial reporting.
  • Enhanced financial accuracy by implementing streamlined accounting processes and procedures.
  • Coordinated efforts between the accounting team and other departments to ensure accuracy in interdepartmental transactions recording and proper cost allocation.
  • Monitored budget allocation and expenditures to enforce compliance with company policies.
  • Ensured compliance with tax regulations by preparing accurate federal, state, and local tax filings on time.
  • Created and maintained financial databases for data entry, tracking and reporting.
  • Led a team of accounting professionals in achieving department goals while fostering a positive work environment.
  • Achieved timely financial reporting through diligent preparation and analysis of monthly, quarterly, and annual reports.
  • Contributed to successful external audits, preparing all necessary documentation and facilitating auditor inquiries.
  • Coordinated with cross-functional teams to support strategic planning efforts, providing critical financial insights.

Director of Accounting

Interex Logistics
07.2017 - 04.2018
  • Maintain timely and accurate invoicing with a 24 hour turnaround.
  • Responsible for the timely collection of monies due. Monitor and reporting on deviations from credit standards.
  • Making recommendations to Executive Team to improve the quality of invoicing and collection procedures.
  • Establish and manage credit limits.
  • Weekly reporting of invoicing totals/cash receipts/ invoice adjustments.
  • Manage cash application making sure all cash receipts are applied correctly
  • Maintaining Customer files and updating Master Service Agreements and rate tables in Accounting Software
  • Maintain GL accounts and month end reporting. Daily Bank Reconciliation
  • Office and Driver payroll and benefits.

Accounts Receivable / Credit Manager/ Billing Manager

1845 Oilfield Services
01.2012 - 07.2017
  • Company Overview: 150M Oilfield Logistics Provider
  • Maintain timely and accurate invoicing.
  • Responsible for the timely collection of monies due. Monitor and reporting on deviations from credit standards.
  • Making recommendations to Executive Team to improve the quality of invoicing and collection procedures.
  • Establish and manage credit limits.
  • Weekly reporting of invoicing totals/cash receipts/ invoice adjustments.
  • Manage cash application making sure cash receipts are applied.
  • Maintaining Customer files and updating Master Service Agreements and rate tables in Accounting Software.

Human Resources Support Specialist / Logistics Accounting Liaison

Frac-Tech Services International
01.2011 - 01.2012
  • Company Overview: 1B Oil and Gas Company – Logistics Division
  • Served as liaison between the logistics division and accounting department. Responsible for establishing and ensuring effective communication between logistics department and accounting department.
  • Scheduled company driver meetings at all district levels to educate company drivers on payroll policies and procedures.
  • Analyzed pay trends and implemented new policy, resulting in the company saving a total of over 5M of profit loss due to inaccurate driver detention fees on locations.
  • Responsible for the payroll of over 200 company drivers. Ensuring accuracy and cost effectiveness of the routes assigned by their prospective logistic coordinators.
  • Created employee data base resulting in effective communication throughout departments.
  • Conducted new employee orientation.
  • Responsible for reporting new hire and termination documentation at the corporate level.
  • Scheduling new hire travel arrangements for orientation.
  • Directly interfaced with hiring managers to assist in recruiting of qualified candidates to fill open positions.
  • Served as 24- hour on-call Driver Liaison.

Service Administrator / Asst. Controller

OMI Crane Services
01.2005 - 01.2011
  • Company Overview: 30M Overhead Crane and Large Equipment Manufacturer and Distributor
  • Partnered with Service Department and Management to ensure accounting activities were maintained according to company policy.
  • Assisted in the development and adherence to sound, acceptable credit policies
  • Managed and streamlined AP, AR, General Ledger entries and collections including daily invoices, bank entries and deposits
  • Performed monthly bank reconciliations and reconciled transactions and balances to maintain accurate accounts
  • Initiated credits and adjustments to customer accounts within company policy limits
  • Checked for credit viability on requests for extended terms and evaluate various adjustments for exception documents
  • Responsible for maintaining bad debt and bad debt recovery records
  • Monitored Receivables and Collections providing updates to senior management for reporting procedures
  • Identified problem accounts and provided regular updates of Receivables to management
  • Negotiate payment programs with delinquent customers
  • Identify accounts require collection agency or legal action and coordinate collection with CFO
  • Monitored violations of credit policies, provided analysis and recommendations by presenting findings to senior management with suggestions of actions/penalties when appropriate
  • Assisted in development of processes and procedures for evaluating customer financials and setting and changing credit lines/limits, as well as credit holds to major delinquent accounts as approved
  • Responsible for the daily accounting entries of all costs associated with service department transactions
  • Service Department Payroll
  • Interacted daily with field service technicians to obtain all expenses resulting in accurate job costing
  • Maintained cost analysis on an average of 300 – 500 jobs resulting in on time costing
  • Daily entry of vendor invoices, purchase orders and their reconciliation
  • Generated all customer invoices and handled all customer service issues
  • Maintained aging report and discussed issues with management
  • Performed month end and year end close

Education

General Studies - Accounting

Paris Jr. College
Greenville, TX
01.2004

Skills

  • Journal entries
  • Payroll processing
  • Financial reporting
  • Bank reconciliation
  • AP and AR management
  • Account reconciliation
  • Audits
  • GAAP understanding
  • General ledger accounting
  • Payment collection
  • Bank account reconciliations
  • Quickbooks
  • Payroll administration
  • Collections
  • Payroll management
  • Accounts receivable management
  • Closing procedures
  • Month-end reporting
  • Cost accounting
  • GAAP
  • Tax form preparation
  • Year-end closing

Section name

  • To Whom It May Concern:
  • Please find attached a copy of my resume. Most of my experience has been in the heavy equipment and oilfield logistics industry. I have currently been the Accounting Manager for North America and Canada for an Aerospace Chemical and Solvent Company for the past seven years.
  • I believe I will be an asset to any company I work for. I would love to discuss my qualifications with you in person as soon as possible.
  • Sincerely
  • Mary K. Callahan

Timeline

Accounting Manger

Dysol Inc
04.2018 - Current

Director of Accounting

Interex Logistics
07.2017 - 04.2018

Accounts Receivable / Credit Manager/ Billing Manager

1845 Oilfield Services
01.2012 - 07.2017

Human Resources Support Specialist / Logistics Accounting Liaison

Frac-Tech Services International
01.2011 - 01.2012

Service Administrator / Asst. Controller

OMI Crane Services
01.2005 - 01.2011

General Studies - Accounting

Paris Jr. College

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