Responsible for a global production network of 8 production sites representing €200m sales and 1000 FTE.
Restructuring and consolidation of the hole Willi Elbe Group:
Responsible for 6 production sites in Germany representing €160m sales and 850 FTE.
Operational Turnaround & Strategy Development:
Responsible for Eberspächer's external European JIS (Just-in-Sequence) plants (5 production sites in 5 countries representing a 3 digit million Euro sales and 230 FTE in total) at the operational and strategic level in terms of efficiency, quality, customer satisfaction and optimal use of resources.
Responsible for all manufacturing engineering activities in Tenneco's Edenkoben plant. Managing 35 FTE in manufacturing engineering and 30 FTE in the tool shop. Spending high 2 digit million Euro CAPEX per year.
PhD thesis on scaling of lean production systems.
Dr. Jean-Claude Blumenau is a seasoned operations executive and interim manager with over 20 years of leadership experience in the automotive supply industry. He has a proven track record of delivering impactful results in complex industrial environments, especially during critical business phases such as restructuring, turnaround, production relocation, and post-merger integration.
Having held COO and VP roles across multinational manufacturing networks, Jean-Claude has successfully led operations across Europe and globally, overseeing sites with up to €200 million in revenue and up to 1000 employees. His hallmark is operational excellence achieved through lean transformations, cost reduction, and organizational realignment. Notable accomplishments include improving production by over 30% at DP World Osnabrück, leading plant closures and footprint consolidations across Europe, and achieving nearly €8M in production cost out at Willi Elbe Group through process optimization.
His leadership style is pragmatic and results-oriented, combining deep technical knowledge with strategic foresight and hands-on execution. Jean-Claude is recognized for building high-performing teams, implementing sustainable change, and delivering measurable improvements in profitability and efficiency.
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