Sean Shumaker

About Sean Shumaker

I am an operations and supply chain leader experienced in direct P&L accountability and multi-site operational responsibility across supply chain, operations, and operational excellence in regulated industries and asset-intensive organizations.My career has been defined by stabilizing underperforming manufacturing and supply chain operations, redesigning operating systems, and scaling execution to restore customer confidence and enable sustainable growth. I excel at strategic problem framing and structured decision-making—clarifying the real business problem, aligning cross-functional leaders, and building the operating cadence required to sustain results.I’ve led enterprise turnarounds where on-time delivery, inventory health, and throughput constrained performance, then institutionalized improvements through governance, S & OP / IBP maturity, network optimization, and disciplined execution.Across civilian and military leadership roles, I’ve: • Led organizations of 900+ personnel across nine locations • Owned or influenced $150M–$175M in operating scope and $75M+ in assets • Delivered 99%+ OTIF, 30–80% lead-time reductions, 200%+ inventory improvements, and multi-million-dollar cost savings • Enabled significant revenue growth through network redesign, inventory strategy, scheduling optimization, and integrated planningI bring a balanced combination of hands-on execution leadership and enterprise-level systems thinking, with the ability to step into operational complexity, stabilize performance, and build scalable operating models that support growth and execution reliability.I have been most successful in my career in roles where multi-site execution, operating discipline, and scalable systems are critical while developing high-performing teams.

Experience

1. Senior Director Multi-site Strategy & Operations Chief of Staff Bn Executive Officer

   Army National Guard

   Sep 2019 — Present · Dayton, OH, US

Education

• Ohio Northern University

  B.S., Business Administration

  2001 — 2007

Skills

• Customer Service
• Training
• Logistics
• Microsoft Office
• Purchasing
• Value Stream Mapping
• Process Improvement
• Product Management
• Operations Management
• Team Building
• Management
• Program Management
• Supply Chain Management
• Root Cause Analysis
• Strategy
• Operational Planning
• Military
• Continuous Improvement
• Supervisory Skills
• Six Sigma
• Dod
• Strategic Planning
• Accounting
• Command
• Inventory Management
• Coaching
• Military Operations
• Powerpoint
• Microsoft Excel
• Networking
• Army
• Microsoft Word
• Team Leadership
• Time Management
• Weapons
• Public Speaking
• Analysis
• Cross-Functional Team Leadership
• Interviews
• Project Planning