Mason Martinez

Results-driven Cost Accountant and Manufacturing Finance professional with 11+ years of experience in cost accounting, inventory management, financial reporting, procurement, and supply chain operations. Expertise in standard costing, inventory valuation, month-end close, variance analysis, general ledger management, internal controls, and ERP systems.

Cost Accountant - Tadano America Corporation

(2023-08)

• Manage inventory-related general ledger accounts, including journal entries, account reconciliations, and month-end close activities.
• Prepare inventory and cost accounting reports supporting management decision-making and manufacturing operations.
• Analyze manufacturing costs, inventory variances, labor performance, and overhead spending.
• Maintain standard costs for purchased parts, manufactured components, and finished goods.
• Coordinate cycle counts and physical inventories to ensure inventory accuracy.
• Support internal and external audits and compliance with SOX and internal controls.
• Participated in development and implementation of ISO 9001 Quality Management System processes, including documentation control, process standardization, and continuous improvement.
• Partner with manufacturing, operations, supply chain, and finance teams to improve costing and inventory processes.

Costing Supervisor - Ajinomoto Foods North America, Inc.

(2022-11 - 2023-06)

• Led annual Standard Cost Roll for 485 finished goods across 8 manufacturing locations.
• Maintained costing for over 3,000 raw and packaging materials and 50+ warehouse locations.
• Supported monthly forecasts and executive cost reporting.
• Authored a 30-page company costing policy.

Cost Analyst - Ajinomoto Foods North America, Inc.

(2022-05 - 2022-11)

• Performed monthly variance analysis against budget, forecast, and prior year.
• Reported Inbound Freight PPV, Purchasing Rebates, Pallets, and Disposal costs.
• Tracked costs, PPV, and fees for 15 co-manufacturing partners.

Senior Purchasing Agent - Ajinomoto Foods North America, Inc.

(2020-08 - 2022-05)

• Managed procurement spend exceeding $40 million annually.
• Served as planner/scheduler for production averaging 4 million pounds per month.
• Assisted MRP implementation across three plants.

Purchasing Specialist - Ajinomoto Foods North America, Inc.

(2017-02 - 2020-07)

• Supported $60 million packaging category and 3,000 SKUs.
• Delivered $725,000 in packaging PPV savings.
• SME for JD Edwards 9.2 implementation and reporting.

Accounts Receivable Specialist - Ajinomoto Foods North America, Inc.

(2015-04 - 2017-02)

• Generated AR reporting and financial statements.
• Managed collections and account resolution activities.

Bachelor of Science - Accounting - California State Polytechnic University Pomona (2014)