About Stefan
English
Fluent
German
Native or bilingual
Spanish
Basic
Experience
- LSI GermanySupport in establishing demand planning at the new Düsseldorf siteRETAIL (SMALL BUSINESS)November 2025 - March 2026 (4 months)Düsseldorf, GermanyTasks:- Development and implementation of demand planning processes on site- Suggestions for improvements regarding processes and systems:•Forecasting•Promotions•Data analysis•S&OP process•Establishment of seasonality & trend•Assessment of risks in sales planningSuccesses:- Concept proposed regarding:oChanges in the organization concerning the merging of demand andsupply planningoTransfer of responsibility for the basic forecast from sales to demandplanning for the purpose of identifying trends and seasonalityoReactivation of functions in SAP APO for forecastingoDifferentiated safety stock logic based on the various productsoReview and automatic transfer of promotional data from salesoMore detailed forecast accuracy reports
- L'Oreal Deutschland GmbHSupport in the price structure change in preparation for an S/4 Hana implementationRETAIL (LARGE RETAILERS)May 2025 - September 2025 (4 months)Düsseldorf, GermanyTasks:- Coordination of all IT-related aspects in the project- Preparation and support for the formatting of the old multiple pricingstructures into a complete new one with new condition types and accesssequences for all divisions together in SAP SD for the DACH region- Cleaning of master data and creating a logbook for later Go Live erroranalysis- Documentation of the infrastructure with the processes- Support in the form of training/support to Key Users in the areas ofControlling/Customer Care/Master Data, such as mass updates in SAP withimport files- Testing of programmed software solutions with software developers andescalation in case of technical defectsSuccesses:- Simplified handling of the complex discount system- Logbook for the implementation of the individual steps for the Go Liveperiod- Improved understanding of end-to-end SAP processes for key users ingeneral and in their area- Contribution to the creation of a detailed project plan for the third phase ofthe project
- Getriebebau Nord GmbHReview and Workshop on Multiple Step Planning EnvironmentMECHANICAL ENGINEERINGOctober 2024 - December 2024 (2 months)Bargteheide, GermanyTasks:- Definition and specification of the topic of forecasting on several materiallevels- Preparation of a workshop in terms of material managementplanning- Implementation of a workshop and documentation of the results- Process analysis of the planning runSuccesses:- Sharpening of know-how in the field of forecasting- Improved understanding of how to process forecasts in themulti-stage planning run- Development of strategies to avoid the bullwhip effect- Determination of further reports to detect and avoid the bullwhipeffects
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Education
- Diplom-KaufmannJohann-Wolfgang-Goethe-Universität1994Logistik Wirtschaftsinformatik