Simon Ashton
Sylvania,Ohio
Overview
9
9
years of professional experience
1
1
Certification
Work History
Demand Planner/ Supply Planning Lead
Owens Corning
09.2023 - Current
- Partner closely with Sales to generate an accurate monthly and annual demand forecast, leveraging customer forecast inputs and historical sales trends to improve forecast accuracy and support business planning
- Led and mentored a direct report through a complex inventory‑build strategy across three plants during two major insulation plant line rebuilds (2025), ensuring zero customer service disruptions throughout the transition.
- Led a truck‑optimization and cost‑savings initiative at the Mt. Vernon plant, delivering a $90K annual savings through load efficiency improvements and logistics optimization.
- Led the launch and implementation of IBP Demand Planning, establishing standardized demand processes and strengthening alignment between commercial and supply chain teams.
- Co-led the successful 2024 SAP launch across three OEM plants, working in close partnership with supply chain leadership to ensure system readiness, user adoption, and smooth operational transition.
- Currently leading a multi‑phase SAP optimization initiative at the Grove City plant, improving system utilization, data integrity, and planning efficiency through targeted enhancements and cross-functional collaboration.
Demand/Supply Planner
Tenneco Inc
10.2018 - 08.2023
- Collaborated with North American manufacturing plants to monitor order fill performance and proactively resolve supply chain disruptions, ensuring consistent service levels and minimizing customer impact.
- Led S&OP meetings and managed forecasting for more than 2,000 SKUs within the SAP APO system, achieving an 80% forecast accuracy rate through data‑driven analysis and cross-functional alignment.
- Led cross-functional teams to support the successful and on-time launch of new part numbers, coordinating activities across Sales, Operations, Planning, and Engineering to ensure readiness and seamless integration into production systems.
OEM Buyer/Supplier Stability Team
Honda Manufacturing of Indiana
05.2017 - 08.2018
- Managed daily inventory, ordering, and receiving activities for 40+ suppliers and over 300 unique components, ensuring material availability, accurate replenishment, and seamless production support.
- Participated in special project team focused on improving supplier operational efficiency and driving cost‑reduction initiatives, contributing to enhanced supply chain performance and reduced total delivered cost.
Education
MBA - Supply Chain Management
Bowling Green State University
Bowling Green, Ohio08.2025
Bachelor of Science - Business Administration
Bowling Green State University
Bowling Green, Ohio05.2017
Skills
- Inventory and Forecast Management
- Cross-Functional Leadership
- Project Leadership
- SAP and Advanced Analytics Tools
- Risk Management
- Continuous Improvement and Process Optimization
- Talent Development and Team Coaching
Certification
- Certified Supply Chain Professional (APICS) July 2023 – Present
- Certification in Production and Inventory Management (APICS) September 2020 - Present
- Professional Organization for Supply Chain and Operations Management (APICS) Professional Member January 2015 – Present
Timeline
Demand Planner/ Supply Planning Lead
Owens Corning
09.2023 - Current
Demand/Supply Planner
Tenneco Inc
10.2018 - 08.2023
OEM Buyer/Supplier Stability Team
Honda Manufacturing of Indiana
05.2017 - 08.2018
MBA - Supply Chain Management
Bowling Green State University
Bachelor of Science - Business Administration
Bowling Green State University