Graham Whittemore
Verified Expert in Management Consulting
Management Consulting Expert
Boston, MA, United States
Toptal member since February 23, 2026
Graham is an MIT-educated executive who transforms supply chain complexity into a competitive edge. With 20+ years of experience at firms such as Amazon and CVS Health, he has delivered $100+ million in efficiency gains through AI-driven modernization. Whether founding Peakview Labs or leading global networks, Graham bridges the gap between technical fluency and executive strategy to build resilient, data-driven organizations.
Career Highlights
Education Highlights
Expertise
- AI Transformation
- Enterprise-wide Supply Chain Strategy
- ERP Implementation
- Global Network Design & Optimization
- Integrated Business Planning (IBP) & S&OP
- Python
- Retrieval-augmented Generation (RAG)
- Supply Chain Risk Management
Work Experience
Founder & CEO
Peakview Labs
- Founded and architected a multi-tenant AI-first SaaS platform, Peakview Insight, which unifies risk intelligence across suppliers, customers, and partner networks.
- Developed a proprietary Peakview Forge methodology using AI-accelerated software building to deliver custom applications 10x faster and 50% cheaper than industry standards.
- Engineered an RAG system utilizing Anthropic, OpenAI, and Google Gemini APIs to automate complex risk assessment and decision loops.
- Demonstrated a measurable 3-4x ROI for initial enterprise clients by modernizing risk intelligence and identifying high-probability supply chain disruptions.
- Implemented advanced similarity matching and vector search capabilities using PostgreSQL and Python to enhance the accuracy of global supply chain monitoring.
SVP, Supply Chain
Clean Harbors
- Spearheaded the end-to-end enterprise deployment of Oracle Cloud SCM, modernizing the technology stack through the introduction of advanced forecasting, supplier portals, and sourcing modules.
- Delivered sustained EBITDA improvement by architecting and executing targeted cost-reduction programs and a comprehensive vendor strategy redesign.
- Realized $50+ million in cumulative sourcing and planning savings by optimizing procurement and supply chain execution across North America.
- Orchestrated a comprehensive digital transformation roadmap that prioritized automation and real-time data visibility, leading to a measurable increase in planning maturity.
- Cultivated a high-performing, cross-functional leadership team that institutionalized data-driven accountability and unified KPIs across Finance, IT, and Operations.
- Executed critical cost-avoidance and contingency strategies during the global pandemic, successfully stabilizing supply lines and maintaining operational continuity through massive market disruptions.
Senior Manager – L7
Amazon.com
- Architected and pioneered a new global inbound cross-dock network, delivering $70 million in annualized savings through optimized freight consolidation and flow-path design.
- Directed global teams focused on strategic inventory placement, resulting in an additional $20 million in transportation cost reductions while simultaneously improving inventory turns.
- Championed the integration of automation within the sales and operations planning processes, which significantly reduced manual labor requirements and increased forecast accuracy.
- Led high-impact cross-functional engineering and operations teams to bridge the gap between technical system design and measurable P&L outcomes.
- Optimized global fulfillment strategies by leveraging data-driven insights to align inventory positioning with rapidly shifting customer demand patterns.
Education
Master's Degree in Logistics and Supply Chain Management
Massachusetts Institute of Technology - Cambridge, MA, USA
Skills
Data & Analysis Software
SQL
Other
Python, LLM API, Power BI / Tableau, Logistics & Supply Chain, LLM Integration, Supply Chain, Supply Chain Risk Management, Sourcing, Enterprise-wide Supply Chain Strategy, Sourcing & Procurement, Integrated Business Planning (IBP) & S&OP, Inventory & Working Capital Optimization, Global Network Design & Optimization, Inventory Placement & Fulfillment Strategy, Sales & Operations Planning (S&OP), AI Transformation, Procurement, Project Management, Vendor Management, Oracle Cloud, Llamasoft, SAP, Retrieval-augmented Generation (RAG), Business Management, Finance, Predictive Analytics, Full-stack, Product Strategy, Product Roadmaps, ERP Implementation, Cross-functional Governance, Digital Transformation Roadmap, Automation & Process Engineering, Cross-functional Team Leadership, Coupa
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