Mamadou Diaby, CIPS

International Senior Buyer | CIPS Level 5 | Aerospace | Nuclear | EPC | Coupa | Mitsubishi Heavy Industries

Germany

About

International Senior Buyer with 7+ years of expertise in strategic procurement and supply chain leadership, I have developed a recognized career across Europe with global exposure to the MENA region and Asia, supporting high-value projects in automotive, energy, aerospace, railway, and mining. My role goes far beyond executing processes: I design and lead high-impact procurement strategies that secure supply continuity, generate substantial savings, and strengthen organizational resilience. I combine strategic vision with operational mastery to deliver results in complex and multicultural environments. Certified by the Chartered Institute of Procurement & Supply (CIPS) and a graduate of ICN Business School, France (triple-accredited AACSB, EQUIS, AMBA, ranked among the world’s best), I bring international credibility in strategic sourcing, complex contract negotiation, procurement governance, and digital transformation. I am also certified in leading digital procurement platforms, enabling me to bridge strategic leadership with operational excellence in tools such as SAP, Ariba, Ivalua, and Coupa. Key Achievements - Directed €1B+ in procurement spend across direct and indirect categories. - Delivered €780K in documented savings through innovative sourcing strategies and high-level negotiations. - Successfully implemented digital procurement solutions in multinational groups, including large-scale rollouts across EMEA. - Represented procurement at major international events (InnoTrans, Paris Air Show), engaging directly with executive leadership. My journey demonstrates the ability to influence, unify, and transform procurement functions across diverse contexts. Recognized for my capacity to deliver sustainable value, anticipate risks, and translate business objectives into effective procurement strategies, I position myself as a trusted procurement leader with global expertise ready to support large-scale international projects. 📧 [email protected]

Experience

  • Senior Buyer at Mitsubishi Heavy Industries
    Mar 2024 - Present · 2 yrs 5 mos

    Spearheaded RFQs for railway MRO parts on Middle East projects, aligning costs with multimillion-euro budgets. Expedited supplier site operations for Asian programs, ensuring uninterrupted production with zero delays. Conducted European supplier market analyses for nuclear operations, delivering monthly reports to executives. Orchestrated 2 supplier audits and monitored aerospace production (forging, casting, machining), securing compliance and continuity. Represented procurement at InnoTrans & Paris Air Show, sourcing innovative suppliers and reporting to top management. Directed Coupa rollout across 29 EMEA companies including 4 in MENA, optimizing compliance and digital procurement.

  • Senior Procurement Consultant at Confidential
    Jul 2023 - Nov 2023 · 5 mos

    Launched and executed 30+ RFPs >$70K each, delivering on-time and within budget. Orchestrated a supplier portfolio of 30 vendors dedicated to shutdown activities, securing operational continuity. Secured stakeholder approval of 122 purchase orders within 2 weeks, accelerating procurement cycles. Enforced compliance with SAP procurement governance, standardizing workflows across multiple sites. Negotiated sourcing strategies generating $400K savings on $4M spend.

  • Advisor - Procurement & Supply Chain at KPMG Belgium
    Jan 2022 - May 2023 · 1 yr 5 mos

    Led Ivalua implementation for a mining group, creating training materials and delivering end-user workshops. Piloted UAT scenarios and supported client teams to secure a smooth digital transition. Consolidated €500M contract spend analysis, identifying bulk-buying opportunities for cost savings. Delivered live demonstrations of Ivalua and SAP Ariba RFP/PR/PO creation to executive stakeholders. Supported setup of a Regional Procurement Office, standardizing processes across departments.

  • Buyer at Hitachi Energy
    Oct 2020 - Dec 2021 · 1 yr 3 mos

    Managed €5M direct categories (wires, plastics, packaging), ensuring supplier performance and continuity. Negotiated supplier contracts, achieving €50K savings and improved payment terms for >€100K suppliers. Rationalized supplier panel, reducing wire suppliers from 5 to 2, reinforcing efficiency and resilience. Launched and completed 5+ RFPs >€50K, while tracking KPIs (OTD, stock levels). Secured resolution of 1 major quality claim, safeguarding compliance and operations.

  • Indirect Buyer at Valeo
    Nov 2018 - Nov 2020 · 2 yrs 1 mo

    Led procurement of €50M indirect spend (consulting, HR, training, outsourced software). Orchestrated 100+ RFPs >€30K via e-auctions, delivering 4% savings in year one. Negotiated SOWs, SLAs, MSAs; improved 100+ supplier payment terms from 30 to 60–90 days. Validated 10+ purchase orders daily, ensuring supply reliability and smooth operations. Consolidated procurement documentation and KPI monitoring, reinforcing governance and transparency.