Accounts Payable Specialist

Tammy Lymuel

***********@*****.*** 281-***-****

Highly accomplished accounts payable leader with over 20 years of experience optimizing financial processes, resolving complex discrepancies, and enhancing team performance. Proven success in managing high-volume transactions, leading system implementations, and delivering cost-saving improvements. Skilled in SAP, JD Edwards, Oracle, and other leading accounting systems. Passionate about developing teams and driving operational efficiency in dynamic, fast-paced environments.

Work Experience

Par Pacific Holdings, Inc. Houston, TX

Accounts Payable Supervisor Jan 2017- 2025

Responsible for overseeing the accounts payable department and ensuring efficient operations for the Team.

Accounts Payable Lead

Nov 2013 - 2016

●Managed the Special Transactions desk, processing 200 crude and refined product invoices daily, while maintaining a 98% accuracy rate.

●Led SAP S/4Hana and Stripes system implementations, conducting over 50 tests and training sessions for new users, resulting in a 25% increase in workflow efficiency.

●Processed vendor payments totaling over $500 million annually, including ACH transfers, wire transfers, and checks, with 99% on-time payment rate.

●Reduced payment discrepancies by 30% through the identification and resolution of pricing and barrel issues on billed invoices.

●Cleared $1.5 million in down payments and prepayments, ensuring monthly reconciliations were completed within 3 business days.

Sr. Accounts Payable Specialist – Contractor Jan 2013 – Nov 2013

Anadarko Petroleum Company Houston, TX

●Processed over 500 invoices weekly for multiple international locations, achieving a 95% payment resolution rate.

●Assisted analysts with payment monitoring and vendor inquiries, reducing outstanding issues by 78%.

●Processed invoices and journal entries with efficiency and accuracy, resulting in decreased discrepancies.

Sr. Accounting Analyst – Contractor Mar 2012 – Dec 2012

Cameron Houston, TX

●Identified and resolved duplicate payments, reducing vendor discrepancies by 40%.

●Processed and reconciled over 300 PO invoices weekly, ensuring 98% accuracy in vendor self-service postings

●Researched billing and invoice problems and Resolved issues in compliance with established standards.

GR/IR Analyst / Team Lead Jun 2009 - Jan 2012

AES, NA Central Financial Hub Houston, TX

●Reduced GR/IR account from $2.5 million to $58K, leading to a 97% improvement in month-end reporting accuracy.

●Implemented a vendor master process that saved $36K in discounts per month, increasing cost-efficiency by 15%.

●Cleared 95% of GR/IR open items within the first two months, improving cash flow by 20%.

Logistics Operations Accounting Analyst Jan 2008 - May 2009

LyondellBasell Chemical Co. Houston, TX

●Verified and posted over $10 million in purchase orders into SAP, achieving a 100% on-time posting rate.

●maintained a 99% accuracy rate.

Core Skills

Accounting Systems & Tools : MS Office Suite, SAP (S/4Hana, Stripes), JD Edwards, Access, ADP, Oracle, Penta, VIM, Allegro, PDI, Leadership & Team Development : Trained and mentored over 20 employees, improving departmental productivity by 30%, Accounts Payable Expertise : Processed 1, 000+ invoices per month, reduced invoice discrepancies by 40%, managed vendor accounts valued at over $100 million annually, Process Improvement : Led initiatives that saved $36K in monthly discounts and reduced GR/IR account balance from $2.5M to $58K, Problem-Solving : Resolved 85% of blocked invoices and improved parked invoice clearance by 75%

Education

University of Houston Graduated 2022

MBA Finance Management

University of Houston Graduated 2019

Bachelor of Science Psychology

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