SAP Expert in Dortmund

• Challenging consulting services as well as interim, transformation, program and project management
• Program Manager for dormakaba International Holding AG: responsible for the SAP rollout in the German subsidiary consisting of 16 projects for Sales, Service, Operation and Finance, preparation through a fit template pre-project, development and formulation of end-to-end business processes, guidance and coaching of the business in use case and technical concept creation, introduction of integration test concept and implementation of integration tests
• Senior consultant for AGRAVIS Raiffeisen AG: specification of ITSM processes Incident and Release Management based on ITIL, examination of implementation options with SAP Solution Manager, managing the cutover of an SAP project
• Interim manager for bofrost DL GmbH & Co. KG: analysis and redesign of the existing business process model, management of strategic PMO including control of project portfolio management (up to 40 projects), project initiation process management, coaching of project managers, comprehensive reporting, ensuring economic viability of all projects, direct reporting to the advisory board, guidance for process and ITSM areas, management of strategic program including greenfield approach, system landscape redesign, end-to-end process introduction, CRM POC and platform provider beauty contest, development of target specifications using LEAN A3, design and implementation of POC with two platform providers
• Program Manager/PMO/PPM for Henkel KGaA global SCM consolidation: management of international template team for SAP landscape redesign, management of strategic partner Accenture
• Program Manager/PMO/PPM for Henkel KGaA migration from SAP BW to Microsoft BI: complete development lifecycle, transition of services to Accenture and hosting from HP to IBM, implementation according to PMI-based and agile standards, management of 20 projects, turnaround program setup, root cause analysis, contract amendments, governance, reporting, controlling, coaching of up to 60 employees, 20 MEUR budget, all milestones achieved on time and within budget
• Program Manager/PMO M&A IT for Henkel KGaA: SAP rollout and infrastructure transition worldwide after acquisition, carve-out management, onboarding of approx. 5 000 new SAP users, consolidation of servers and data centres, management of 30 projects across WEU, CEE, LA, NA and AP, PMI-based implementation, governance setup, coaching of up to 150 employees, 85 MEUR budget, 300 people worldwide, international tender management with providers such as Accenture, IBM, HP and Cisco, program completed on time, on quality and below budget
• Interim Manager for Bertelsmann AG: strategic IT sourcing program for Corporate CIO including six projects, planning, controlling, reporting, coaching, quality management, stakeholder management, contract transitions, development of system to verify savings, achieved 20% above planned savings
• Interim Manager IT Governance for Henkel KGaA: professionalisation of IT service management, audit and development of PMI-based project management process with group adaptations, group-wide rollout of ITIL processes incident, problem and change management
• Agile project for ALDI-Sued: finalisation and implementation of demand management process for IT requirements with interfaces to other processes and service catalogue
• Senior Consultant for hagebau IT GmbH: analysis of business processes, conception and implementation of NDA, RFI and RFP for Managed IT Services tender with EUR 30 million volume, transition planning of two data centres to Atos managed services, development of service catalogue and cost allocation model
• Interim Manager for Henkel KGaA: development of international resource management system for global IT to improve cost and capacity control, agile planning, controlling and scope management, realization of 25% capacity reserves
• Interim Manager for Netrada GmbH: professionalisation of IT service management, conception and creation of 16 SLAs, process analysis and documentation, service quality objectivisation reducing ad hoc workload by approx. 20%
• Senior Consultant for Saudi Telecom: introduction of PMI-based project management process, development of PMO, coaching of employees, support in acquisition of customer projects by applying the introduced method

• DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
• E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.

Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#

• Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
• Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.

• Product Owner for the Digital Delivery team
• Company-wide Bosch digitalization project for software deliveries
• Technologies: SAP EMS, JFrog, Revenera
• Conducting PI Plannings

• Development of software and system support for RPG development.
• Development, optimization and maintenance of programs in RPG (RPG II to ILE Free Format).
• Performing integration tasks, data management as well as applying and managing system updates.
• User support and training to ensure smooth system operation.

• Developed and optimised structured support workflows and evaluation procedures, applying consistent quality standards across high-volume operational tasks.
• Monitored performance metrics to identify systemic issues and drive targeted improvements — a skill directly transferable to LLM performance metric analysis.
• Managed escalations and maintained high accuracy and satisfaction standards in a fully asynchronous, remote-first environment.

• Controlling project work: implementation of customer quotation calculation and development of a trading and forward calculation for sales
• Development of a cost of goods manufactured calculator
• Theoretical design and practical implementation: temporary Excel-based solution introduced quickly; embedding into INFOR LN and creation of the requirements specification
• Majority of project management using modern tools (Loop, Jira, Excel, PowerPoint)
• Regular reporting on quotes submitted (contribution margin 1 and full cost coverage) and comparison with post-calculation

• Investigate the relationship between Eddy Current Testing (ECT) signals and microstructural properties
• Detect latent patterns in ECT data that reflect intrinsic material characteristics
• Develop and validate predictive models for microstructural classification and quantification, using hardness and case depth as benchmarks
• Apply Bayesian Structural Equation Modeling for advanced data analysis

Organisation: International energy provider in a regulated market environment with around 900 employees.

Responsibilities: Responsible for managing and prioritizing a company-wide transformation and initiative portfolio in the energy sector. Directly involved in the governance and decision-making logic of the organization with a focus on governance, IT management, prioritization and implementation of strategic initiatives across business and IT areas.

Results:

• Introduced a company-wide portfolio management system for structured prioritization and management of strategic business and IT initiatives.
• Established clear governance, decision and control mechanisms to sustainably improve execution capability across the entire organization.
• Integrated HR, capacity and organizational management into an overarching management logic to enhance transparency and decision quality.
• Directly supported executive management by moderating and structuring strategic decision-making processes at both executive and supervisory board levels.

• Conducting concept and design planning in the acquisition phase (energy generation, e.g. BESS and industrial plants under EPC contracts)
• Serving as the link for all communication with sales, customers, suppliers, and branch offices
• Estimating costs and setting budgets for industrial plants (hot gas generators, battery storage, hydropower plants, etc.) with CAPEX up to €100M

• Ensure closing and audit of group financial statements
• Improve closing and audit structures & processes
• Transformation of finance & accounting structures
• Lead tax, finance & accounting teams (25-30 FTEs)
• Leading role initiating business transformation
• Support redesign of HR and payroll processes

• ERP selection project at an automotive supplier in Regensburg to choose a successor system for a custom-built legacy solution
• Conducting interviews with specialist departments
• Creating a criteria catalog
• Organizing and running workshops

• Executive responsibility for the strategic and operational management of the company with full P&L accountability
• Average 42% annual revenue growth
• Reduction of burn rate by 40%
• Significant increase in operational efficiency and transparency
• Strategic realignment and restructuring of organization, cost structure and product portfolio
• Built and led an interdisciplinary team (Sales, Customer Service, Production, Finance; 8 FTE)
• Scaled the business model by implementing structured B2B sales processes
• Operational excellence in production (error reduction > 30%)
• Established a professional customer support with a ticketing system and measurable improvement in customer satisfaction
• Implemented robust finance, reporting and governance structures (Order-to-Cash, HGB financial statements)