S/4hana
SAP S/4HANA Migration (Finance Order-to-cash)
2019–2025· Senior Enterprise Architect
Migration of SAP finance application for Deutsche Bahn, focusing on Order-to-Cash processes: Collections, Dispute, Credit Management, FI-CA, and Inter-Company Reconciliation.
Outcome: Innovative and consolidated O2C processes on S/4HANA
finance
SAP Collections, Dispute & Credit
2012–2017 · Program Manager
Global rollout with standardized template and local adaptations .
Outcome: Improved DSO and faster dispute resolution
SAP ERP 6.0 Global Upgrade and Standards
2008–2011 · Team & Project Manager
Group-wide upgrade from SAP R/3 4.6C to ERP 6.0 across countries.
Outcome: Unified ERP baseline across entities
IFRS Adoption & new group consolidation system
2003–2005 · Team Member
Implementation of IFRS with unified data streams for accounting.
Outcome: Transparent group reporting
Inter-Company Netting & Reconci-liation
2009–2011 · Project Manager
Development of an SAP-based system for group payment settlement and balance reconciliation.
Outcome: Reduced open items and FX exposure
Controlling
CO-CCA Standardization
2018 · Project Manager
Creation and implementation of a global standard for cost center master data and allocation cycles using a central SAP-based master data management tool
Outcome: Unified master data across production entities.
Roll-out / M&A
SAP R/3 Global Roll-Out
2003–2007 · Project Manager Region West
Planning and implementation of a global roll-out of SAP FI/CO. Focus countries: ES, FR, IT and PT.
Outcome: Enterprise-wide accounting standardization
Mergers & Integration
2007–2012 · Project Manager
Planning and execution of SAP integrations for affiliates (BAX Global, Railog, Pantrans, Sil, Joyaux, Spain-TIR, Hangartner).
Outcome: Seamless consolidation of merged entities