Antje Siem
Global Manager Category Management & Supplier Relationship @Permobil
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WORK HISTORY
Global Manager Category Management & Supplier Relationship @Permobil
Düsseldorf, DE
Developed and executed a global category strategy, achieving 5% year-over-year savings and reducing CO2 emissions by kg- Utilized AI/BI tools and custom Excel dashboards to monitor and improve supplier performance; launched a supplier development program that eliminated production stops and achieved the lowest PPM within six months at a major supplier in China- Identified sub-supplier issues through root cause analysis and collaborated with R&D and Quality toimplement critical parameters on tier 2 levels, preventing recurrence- Led the SPOT (Sustainable, Packaging, Operations and Transport) project, reducing material handling by 20% by increasing item yield per palette by 20%, achieving a 30% total cost savings- Successfully turned around a high-risk power wheelchair development project by setting up a reliable supply chain and delivering on time- Directed a global team, fostering collaboration across R&D, SCM, Quality, Process Engineering, and Product Management- Led VAVE analysis and developed a TCO calculator, driving efficient supplier negotiations and supply chain efficiencies- Designed and implemented a Design Requirement Sheet for new items to ensure packaging and handling requirements, facilitating a seamless phase-in process- Managed supply chains across the USA, Europe, Asia, and Mexico, ensuring compliance and operational efficiency.
EDUCATION
FOM University of Applied Sciences for Economics and Management
Bachelor of Business Administration (B.A.), Economics
SKILLS
ABOUT ANTJE SIEM
Senior Strategic Procurement Professional with more than 20 years of international experience across MedTech, industrial manufacturing and packaging.Proven track record in cost reduction, supplier risk management and CO₂ reduction across global supply chains.Responsible for procurement volumes exceeding €100 million and consistently delivering measurable results, including 5–10% sustainable annual cost savings, 40% supplier base consolidation, extended payment terms and defect reduction to record-low levels.Professional background includes senior strategic procurement roles at Permobil, Cyklop and GHH Rand, with earlier experience at Atlas Copco and ABB in sourcing electronics and circuit breakers.Core expertise:• Strategic procurement and global category strategy• Category management: electronics, motors, batteries, packaging, metals, plastics• Supplier Relationship Management and supplier development• NPD sourcing and early supplier involvement• Cost optimization, TCO analysis and VAVE• Risk mitigation and supply chain resilience• Sustainability initiatives with focus on CO₂ reductionKnown for a pragmatic, structured and results-oriented approach, translating complex supplier landscapes into clear strategies that deliver measurable and sustainable business impact.
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