Hüseyin I.-Interim Supply Chain & Procurement Transformation Lead
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Experience
Interim Supply Chain & Procurement Transformation Lead
Self-employed
- Took on interim assignments to structurally realign Supply Chain and Procurement organizations with a focus on results and performance management.
- Developed customer-centric end-to-end supply chain structures to improve service levels, growth and operational control.
- Managed strategic tendering and negotiation processes to optimize supplier structures and commercial contract models.
- Designed and implemented digital and data-based steering models for forecasting, planning and supply chain performance.
- Built operating and governance models for the sustainable management of transformation, decision-making processes and supplier management.
Head of Procurement & Carrier Management
1&1 Mobilfunk GmbH
- Overall responsibility for Procurement and Carrier Management as part of the development of Germany's fourth mobile network.
- Led strategic negotiations and contract structuring for a long-term national roaming agreement with Vodafone Deutschland, managing the commercial, technical and regulatory workstreams and coordinating with the CEOs, CFOs and CTOs of both companies.
- Closed a national roaming agreement with a total volume of around €4 billion as the basis for nationwide 5G network coverage and the migration of over 12 million mobile customers.
Head of Supply Chain Management (incl. Transformation & Procurement)
Vodafone Deutschland GmbH
- Overall responsibility for Supply Chain Management, including logistics, procurement, repairs & returns, planning, warehousing, transportation, services and supplier management in the consumer devices business.
- Led several transformation programs to integrate organizations, digitize core processes and introduce data-based steering models.
- Managed strategic tenders, supplier negotiations and contract structures for logistics and supply chain services.
- Built a customer-centric end-to-end supply chain focused on service levels, working capital and operational performance.
Head of Supply Chain & Device Operations
Vodafone Hungary
- Built the entire end-to-end supply chain organization, including Procurement, Logistics, Portfolio Management and Distribution.
- Managed the operational and commercial integration of Supply Chain and go-to-market processes in the smartphone business.
- Introduced structured S&OP processes and system-supported distribution models to improve forecasting, availability and cost structure.
- Implemented strategic supplier negotiations and contract optimizations in the global device procurement environment.
Senior Procurement Strategy Manager
Vodafone Group Services GmbH
- Developed global purchasing strategies for smartphone procurement and built an international Procurement community.
- Managed group-wide volume bundling and negotiation processes across several Vodafone markets.
- Introduced structured negotiation methods and governance models for global purchasing initiatives.
Senior Supply Chain Manager
Bayer AG
- Building and developing a global supply chain community to coordinate international procurement and supply chain structures.
- Implementing supply chain and procurement optimization measures across international sites in Europe, North America, and Asia.
Key Account Manager
Telefónica UK Ltd.
- Responsible for managing a strategic major customer in the mobile communications business.
- Managing the commercial customer relationship and supporting revenue growth initiatives in the rapidly growing mobile communications market.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Telecommunication, Chemical, Pharmaceutical, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Procurement, Supply Chain Management, Logistics, Operations, Project Management, and Strategy.
Summary
- Stabilizes end-to-end performance across Supply Chain and Procurement in transformation situations with EBITDA and margin pressure by establishing an integrated KPI, governance and steering logic that enables cash release, margin improvement and operational stability.
- Reduces excessive working capital and rising inventory by structurally integrating forecasting, S&OP, purchasing and distribution logic, thereby measurably stabilizing inventory management, liquidity and service levels.
- Leads performance and cost-out programs operationally with accountability for results by transforming individual functional measures into an integrated steering architecture that makes savings, margin impact and implementation reliably manageable.
- Strengthens negotiation results and the commercial impact of strategic supplier relationships by building central negotiation and governance architectures that bundle volumes, structure contract logic and secure sustainable margin and cash effects.
- Transforms transformation programs into measurable business impact by restructuring governance, accountability and end-to-end performance logic across Supply Chain and Procurement, and establishing data-based steering and customer-centric supply chain structures.
Skills
Industry Focus
- Telecommunications
- Consumer Electronics
- Retail & E-Commerce
- Logistics & Supply Chain Services
Methods & Approach
- Operating Model Design
- Contract Negotiation & Negotiation Architecture
- Strategic Sourcing & Vendor Management
- S&Op & Big Data Forecasting
- Working Capital Optimisation
- Kpi Framework & Performance Steering
- Post-Merger Integration
- Sap S/4hana & Data-Driven Decision Making
Languages
Education
International School of Economics Rotterdam & Fachhochschule Bielefeld
Master of Business Administration, European Studies in Management · European Studies in Management · Bielefeld, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Hüseyin is based in Düsseldorf, Germany and can operate in on-site, hybrid, and remote work models.
Hüseyin speaks the following languages: German (Native), English (Advanced).
Hüseyin has at least 25 years of experience. During this time, Hüseyin has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 4 years and 8 months. Note that Hüseyin may not have shared all experience and actually has more experience.
Based on recent experience, Hüseyin would be well-suited for roles such as: Interim Supply Chain & Procurement Transformation Lead, Head of Procurement & Carrier Management, Head of Supply Chain Management (incl. Transformation & Procurement).
Hüseyin's most recent position is Interim Supply Chain & Procurement Transformation Lead at Self-employed.
In recent years, Hüseyin has worked for Self-employed, 1&1 Mobilfunk GmbH, and Vodafone Deutschland GmbH.
Hüseyin is most experienced in industries like Telecommunication, Chemical, and Pharmaceutical. Hüseyin also has some experience in Professional Services.
Hüseyin is most experienced in business areas like Procurement, Supply Chain Management, and Logistics. Hüseyin also has some experience in Operations, Project Management, and Strategy.
Hüseyin has recently worked in industries like Telecommunication and Professional Services.
Hüseyin has recently worked in business areas like Procurement, Supply Chain Management, and Logistics.
Hüseyin holds a Master in European Studies in Management from International School of Economics Rotterdam & Fachhochschule Bielefeld.
Hüseyin is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 30 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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