Stefan Horstmann
About
Stefan Horstmann is from Haan, North Rhine-Westphalia, Germany. Stefan works in the following industries: "Renewables & Environment". Stefan is currently Chief Operating Officer at IBC SOLAR AG, located in Bad Staffelstein, Bayern, Deutschland. In Stefan's previous role as a Group Director Supply Chain at Vaillant GmbH, Remscheid, Stefan worked in Remscheid until Jun 2020. Prior to joining Vaillant GmbH, Remscheid, Stefan was a Managing Director Techno Cargo Logistics at TechnoCargo Logistik GmbH u. Co. KG and held the position of Managing Director Techno Cargo Logistics at Neuss. Prior to that, Stefan was a Head of Vaillant Group IT - Engineering / Sales & Marketing at VAICON Vaillant Consulting GmbH, based in Remscheid from Dec 2007 to Jul 2012. Stefan started working as Head of Consulting - Manufacturing, Purchasing & SCM at VAICON Vaillant Consulting GmbH, Remscheid in Jul 2001. From Jul 1997 to Jun 2001, Stefan was Consultant – Production Units at VAICON Vaillant Consulting GmbH, Remscheid, based in Remscheid. Prior to that, Stefan was a Consultant – Logistics at proLean Software u. Services GmbH, Remscheid, based in Remscheid from Jan 1996 to Jun 1997. Stefan started working as IT Coordinator – Information & Communication Systems at Vaillant GmbH u. Co., Remscheid in Remscheid in Jan 1995.
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Stefan Horstmann's current jobs
Strategic and operational responsibility for Logistics, Purchasing, Quality Insurance, Product Management, IT, Processes & Organization
Stefan Horstmann's past jobs
Steer all strategic and operational activities related to planning, logistics and procurement (direct material) group-wide. Spearheaded strategic reorientation of global supply chain processes and organization as well as IT settings and applications . Played key role in the multi-year project Digital Process World (DPW) – the group-wide ERP conversion to SAP S/4 HANA. Designed and implemented a new organizational structure to ensure master data quality group-wide, incl. ERP and business applications. Restructured the supply chain organization.
Drove IT strategy creation and execution as well as ongoing development of the IT organization linked to business applications in purchasing, production, logistics, sales and marketing. Led delivery and optimization of all IT services for Vaillant’s purchasing, production, logistics and sales activities. Initiated and developed a standardized procedure model (SAPLIGHT) for a template roll-out. Pushed the ongoing development of the global ERP basis and related applications. Planned and steered the global release change to SAP ERP 6.0.
Built up and led an international IT service organization for business applications in the areas of production, logistics and purchasing. Steered planning, budgeting and services for SAP and 3rd party business application support. Project Lead: Managed SAP roll-out I in 7 companies in Europe and Asia, leading 100 internal & external project members Defined and developed a template to ensure standards and efficient processes at all sites Headed various reengineering and optimization projects, e.g. development of a new steering system/process to right-size inventories
Led process standardization & optimization project for internal Vaillant and external customers in the field of supply chain management, ERP and consolidation measures after SAP R/3 implementations. Functioned as process owner for Product Supply Chain in the CoE (Center of Excellence. Drove continuous process improvement, incl. process measurement and Training. Led sub-project to re-implement SAP R/3 to match the new structures and responsibilities within business divisions.
Project: SAP R/3 implementation in planning, materials management and production scheduling SAP module responsibility - MM/PP (materials management and production planning)
SAP R/3 implementation PP, MM