Resume

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Matthew Doehring

Professional Summary

Operations and purchasing professional with a track record of improving systems, reducing costs, and stabilizing workflows in fast-paced manufacturing environments.

Known for turning disorganized processes into structured, repeatable systems using Excel, data analysis, and practical automation. Actively applies AI tools to reduce manual work, streamline research, and improve decision-making.

Experience includes supplier recovery, inventory system design, and building data workflows that improve speed and accuracy.

Key Skills

  • Process Improvement
  • Purchasing & Supplier Negotiation
  • Inventory Management & Control
  • Excel (Advanced. formulas, data structuring, workflow tools)
  • Data Analysis & Reporting

AI & Automation:

  • LLMs: ChatGPT, Claude, Gemini, Copilot, Grok, DeepSeek 
  • Prompt Design (efficiency, workflow improvement, task automation) 
  • AI-Assisted Research & Content Generation 
  • Workflow Automation (Google Sheets + AI integrations) 
  • AI-Assisted Development (rapid prototyping, lightweight automation) 

E-Commerce:

  • Amazon FBM, eBay, Facebook Marketplace

AI & Automation Projects

  • Built a semi-automated newsletter system using Google Sheets and AI tools to curate and filter relevant business news, published twice weekly on Substack 
  • Created dozens of custom AI prompts to reduce time spent on research, writing, and data analysis 
  • Designed AI-assisted workflows to organize information and improve content production efficiency 
  • Manage AI-focused content section for a small business website
Work Experience

Offshore Acquisition LLC – Chesterfield, MI

E-Commerce Manager | Purchasing | Logistics
Feb 2024 – Nov 2025

  • Recovered supplier relationships after company bankruptcy. Transitioned ~75% of vendors from upfront payment to Net 10–30 terms, improving cash flow and supply stability 
  • Built and managed an inventory system supporting 1,500+ SKUs across Amazon FBM, eBay, and Facebook Marketplace, improving stock accuracy and availability 
  • Negotiated and sourced production materials (resins, components, packaging), reducing cost variability and lead time risk 
  • Identified inefficiencies and improved workflows using Excel, data analysis, and AI-assisted tools 

Atlantic Precision Products – Shelby Township, MI

Materials Planner / Manager
Nov 2023 – Jan 2024

  • Scheduled production across 45 injection molding machines at two facilities, improving coordination and reducing downtime risk 
  • Managed purchasing and material flow to ensure consistent production output 
  • Used data analysis to improve scheduling efficiency and material availability 

Munro & Associates – Auburn Hills, MI

Buyer | Research & Cost Analyst
Nov 2013 – Jun 2023

  • Designed and automated a 2,500-item material cost database, reducing update cycles from weeks/months to 1–2 days and improving cost model accuracy 
  • Managed procurement of company assets and production-related commodities 
  • Coordinated international logistics, including import/export operations 
  • Performed cost analysis to support product benchmarking and teardown studies 
  • Developed a daily internal newsletter using RSS feeds and HTML, improving information flow and reducing manual research time 
  • Supported program management across engineering and cost analysis projects 

Plastic Systems LLC – Romeo, MI

Corporate Purchasing Manager
Jun 2007 – Mar 2014

  • Designed and implemented an Excel-based production scheduling system for a 21-machine injection molding facility, improving scheduling visibility and coordination 
  • Led purchasing operations across four manufacturing facilities in three states 
  • Reduced material costs through vendor negotiation and sourcing strategies 
  • Built Excel tools to track cost savings, purchasing trends, and inventory levels 
  • Improved inventory control and increased inventory turns 
  • Strengthened vendor relationships to support lean manufacturing initiatives

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    Important: Education, self-assessment, and personal references available here.