Microsoft Excel Expert in Dusseldorf

• Advising companies in the energy and climate sectors on portfolio analysis, performance, costs, quality and supplier structure.
• Design and end-to-end management of tenders, including bid evaluation, contract negotiations and implementation support.

Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.

• Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
• UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
• Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
• Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
• Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
• Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.

• Overall project planning for resources, budget, costs, license and service contracts, cost optimization and negotiations
• Leading and managing the project team and achieving project goals
• Leading digitalization projects and their phases, including concept development, planning, change and requirements management, configuration, implementation, testing, interfaces, communication and approval
• Holding planning meetings
• Organizing, designing and running team, client and requirements workshops with up to 50 participants at operational and management level
• Main point of contact for business and technical topics, as well as project coordination
• Creating and maintaining backlogs (user stories and EPICs) in Jira, translating requirements into user stories and prioritizing them
• Approving and publishing online services in the Wirtschafts-Service-Portal.NRW (WSP.NRW)
• Preparing and maintaining project documentation
• Planning and designing the nationwide rollout/reuse under the Einer-für-Alle principle via WSP/FIT-Connect
• Communication between stakeholders, clients, public authorities and the Ministry of Economic Affairs, Industry, Climate Action and Energy (MWIKE)
• Working according to the SCRUM methodology

• Created data pipelines and visualization tools to support sustainable energy decision-making
• Developed insights that could optimize renewable energy deployment and grid integration strategies

Successful delivery of projects on behalf of customers:

• -> 2023 – present: Project management for the consolidation of sites/data centers for a large telecommunications provider (infrastructure project, customer: Telefonica)

• Opening and preparing new sites

• Application migrations

• Decommissioning and handover of old sites

• -> 2021 – 2022: IT multi-project management for a large car leasing company (customer: Athlon)

• Migration of applications to the cloud and to another data center

• Additional projects to expand and optimize the application landscape

• -> 2021: Project management for the development of a platform providing internet access on aircraft operated by various airlines (customer: m3Connect/German Telekom)

• -> 2017-2020: Responsible management of an IP network consolidation (infrastructure project, customer: Cisco/Vodafone) at a large telecommunications provider

• Planning and coordination of migrations and their rollout

• Team leadership and integration of different teams (network operators, hardware and service providers)

Project scope: Supported the establishment, scaling and continuous improvement of project management and support processes by modernizing governance, processes, documentation, deliverables tracking, training content and tool-supported ways of working across a complex energy project environment.

Key contributions

• Supported the build-up and maturation of the PMO department, including governance structures, operational frameworks, project management processes, templates and deliverables tracking mechanisms.
• Conducted As-Is analysis of existing processes and their documentation, including process inventory, interface mapping, problem identification and creation of visualizations and white papers to improve shared understanding.
• Reviewed and improved project management documentation, templates and work instructions, including support for a project document master list to strengthen standardization and control.
• Designed and supported rollout of a lessons learned process and related system/application, including pilot preparation, coordination and implementation support.
• Mapped and supported implementation of a new resource management process connected to the rollout of a resource planning tool.
• Led and supported adoption of agile ways of working and Atlassian tools, including Jira and Confluence team boards, plans/roadmaps, dashboards, sprint planning and retrospectives.
• Acted as key user for continuous usage improvements in PMO tools and collaboration practices.
• Developed training curricula, instructional videos, supporting materials and PMO Open Doors sessions to improve capability transfer and provide a recurring forum for updates and information sharing.
• Developed a skills matrix concept and supported rollout as a basis for structured capability management and training demand analysis.
• Supported preparation of department offsites, implementation of a new Integrated Management System (IMS), creation of a SharePoint-based PMO website and department integration after restructuring.

Results / business impact

• Improved project management & PMO structure, processes and their documentation
• Enhanced transparency and standardization across processes, documentation, governance routines and project deliverables tracking.
• Enhanced information flow and knowledge transfer through SharePoint-based communication, PMO forums, training curricula and instructional videos.
• Strengthened lessons learned, resource planning, agile collaboration, capability management and post-restructure department integration.

Results:

• Identified weaknesses in the MMM setup and attribution as a whole

Responsibilities:

• Audits of Marketing Mix Modelling, Multi-Touch-Attribution, Incrementality Testing

Channels & Tools: SEA, Affiliate, TV, Adtriba MTA & MMM, Google Meridian MMM

Independent Consultant

• Advisory focus: E-Commerce, Digitalization, Automation, Pricing, Assortment & Merchandising, Platform Strategy
• Industries: Retail & Consumer Goods
• Subject Matter Expert for leading management consultancies
• Ongoing executi...

• -- ENGLISH Version (Deutsche Version unten) ---

Experience

• Ex-BCG Platinion: 14 years as Manager & Chief IT Architect, leading large-scale IT transformations in complex group structures
• 20+ years of C-level consulting across AI/IT strategy, enterprise architecture, IT organization, transformation, M&A due diligence, project recovery, and interim management
• IT leadership experience with cross-functional, intercultural teams of up to 100+ people
• Hands-on background in software engineering, IT architecture, and project management
• Fortune Europe 500 focus; numerous international projects; SME and start-up experience

Core services:

• IT strategy, enterprise architecture (EAM), target architectures and roadmaps
• PE/M&A/carve-out IT/tech due diligence, asset valuation, cost estimation
• GenAI transformation, process automation, and AI governance
• IT reorganization, target operating model (TOM), agile transformation
• IT governance, development and ITSM process optimization (BizDevOps, SAFe)
• Review and recovery of critical large-scale IT programs
• Planning and steering of transformation programs and IT project portfolios
• IT vendor and platform selection (RfI / RfP)
• Coaching & Interim management

Industries (selection): Insurance, financial services & banking, energy & utilities, telecommunications, retail & consumer goods, logistics, media, industry & engineering, healthcare, professional services

Projects (selection):

• M&A Buy-side IT/Tech Due Diligence of an Acquisition in the Energy Sector (Utility, Smart Home) — AI-augmented with Anthropic Claude

• AI Initiative for LLM-Based Optimisation and Automation of Sales and Billing Processes

• Interim management Enterprise Architecture & group target architecture/roadmap development (METRO)

• Reorganization: Design and introduction of agile IT target operating model at international wholesale group (METRO)

• Design and implementation of agile BizDevOps target operating model (E.ON Grid Solutions)

• Platform/vendor selection for renewal of core insurance solution of start-up (ELEMENT Insurance)

• Establishment of project assurance capability and review/recovery of critical transformation projects (ERGO)

• Enterprise architecture management and development of divisional/solution architectures (Deutsche Post DHL)

• Strategic pricing architecture decisions in digital sales application landscape (E.ON Energie)

• IT due diligence: Architecture evaluation and monetary valuation of IT assets (ProSiebenSAT.1 Media)

• Interim management of group-wide security/compliance programme (ERGO)

• Enabling an application landscape for different sales organizations and product structures (E.ON Energie)

• Realignment of business/IT strategy and InsurTech platform selection (RfI, RfP) (nexible, ERGO Digital Ventures)

• Stabilization/optimization of an agile/SAFe business/IT DevOps landscape transformation (Lufthansa AirPlus)

• Process optimization and design/management of digitization and robotics introduction in power plants (RWE Nuclear)

• BSS target architecture development for fixed/mobile networks convergence (Deutsche Telekom)

• Optimization of IT organization model and methodology in application development and testing (Deutsche Telekom)

• Evaluation of fulfillment of a general contractor agreement for run-off/migration of contract portfolios (ERGO)

• -- DEUTSCHE Version (English version above) ---

Experience

• Ex-BCG Platinion: 14 years of strategy and implementation of large-scale IT transformations in complex corporate structures (Manager & Chief IT Architect)
• 20+ years of C-level-adjacent IT consulting: IT strategy, enterprise architecture, IT organization, transformation, due diligence, project recovery, and interim management
• IT leadership responsibility for cross-functional, intercultural teams of up to 100+ people
• Solid hands-on experience in software development, IT architecture, and project management
• Focus on Fortune Europe 500, numerous international projects; SME and start-up experience

Industries: insurance · financial services & banking · energy · telecommunications · retail & consumer goods · industry & engineering · logistics · media · healthcare

Services (focus areas):

• IT strategy, enterprise architecture (EAM), IT landscape target visions and roadmaps
• M&A/carve-out IT/tech due diligence, asset valuation, and cost estimation
• GenAI transformation, process automation, and AI governance
• IT reorganization, target operating model (TOM), agile transformation
• IT governance, development and ITSM processes (BizDevOps, SAFe)
• Review and recovery of critical large-scale IT projects
• Planning/steering of transformation programs and IT project portfolios
• IT service provider/platform selection (RfI, RfP)
• IT project management (agile, classic, hybrid)
• Coaching & interim management

Projects (selection):

• M&A buyer-side IT/tech due diligence of an acquisition in the energy sector (utility, smart home) — AI-augmented with Anthropic Claude
• AI initiative for LLM-supported optimization and automation of sales and billing processes
• Interim management of Enterprise Architecture and development of group target architecture in wholesale (METRO)
• Reorganization: design and introduction of an agile IT target operating model (TOM) at an international wholesale group (METRO)
• IT reorganization: introduction of an agile BizDevOps target operating model (TOM) at an energy group (E.ON Grid Solutions)
• Platform selection / vendor selection for renewal of the core insurance solution of a B2B2C start-up (ELEMENT Insurance)
• Process optimization, digitalization, and introduction of robotics in power plants (RWE Nuclear)
• Assessment of fulfillment of a general contractor agreement for run-off/migration of life insurance portfolios (ERGO)
• Business/IT strategy and InsurTech platform selection for a digital insurer/start-up (nexible, ERGO Digital Ventures)
• Enabling an energy application landscape for multiple sales units (E.ON Energie)
• Strategic architecture decisions in price management of a digital sales application landscape at an energy group (E.ON Energie)
• Stabilization/optimization of an agile DevOps IT transformation in business travel and payment management (Lufthansa AirPlus)
• Interim management in a group-wide security and compliance program of a global insurer (ERGO)
• Building project assurance capability as well as review and optimization/recovery of critical IT projects in an insurance group (ERGO)
• Building enterprise architecture management and development of domain and solution architectures for a logistics group (Deutsche Post DHL)
• M&A IT due diligence – evaluation and valuation of IT assets in the media sector (ProSiebenSAT.1 Media)
• Development of BSS target architecture and roadmap for fixed/mobile convergence (Deutsche Telekom)
• Optimization of IT governance/organization and methodology in application development and testing at a telecommunications group (Deutsche Telekom)

• Strategic consulting for the Head of Brand on brand strategy and change processes
• Analysis of existing processes, resources, and interfaces within the team as well as with internal and external stakeholders
• Development and implementation of recommendations for action to improve processes and increase efficiency
• Project management and change management for the successful implementation of measures
• Management and selection of external service providers to ensure smooth execution
• Optimization of internal processes and interfaces through in-depth analysis and recommendations for action
• Effective acceleration of decision-making and management processes in brand management
• Successful management of external service providers and agencies for more efficient workflows and higher quality

• Led end-to-end delivery of complex international customer-facing IT and system transformation projects across mobility, retail, life sciences, and product development domains.

• Managed project opportunities and delivery initiatives from concept development, planning, execution, migration, validation, deployment, and final customer acceptance.

• Acted as the primary point of contact for project stakeholders, ensuring alignment between customers, business units, suppliers, and delivery teams.

• Ensured timely project execution through proactive monitoring of milestones, deliverables, dependencies, risks, and resource requirements.

• Led and coordinated global cross-functional teams of 20+ members across multiple time zones. Served as the central coordination point for project activities, ensuring accountability, milestones, progress tracking, and timely resolution of issues across multiple stakeholders. Managed status reporting with all the stakeholders, providing clear and timely updates to ensure alignment on project goals.

• Provided functional leadership, mentoring, coaching, and issue resolution support to project team members. Worked closely with senior leadership and executive stakeholders to define project charter and project scope, priorities, milestones, manage dependencies, success criteria and achieve project goals.

• Collaborated closely with senior leadership, business stakeholders, suppliers, operations teams, and external partners to define project objectives and ensure successful execution.

• Managed stakeholder communication through executive dashboards, KPIs, governance reviews, steering committee meetings, and project status reporting.

• Anticipated business needs and provided effective technical solutions in a timely manner to improve business satisfaction.

• Led and supported sub-project management structures, ensuring consistent execution, reporting, and escalation across complex initiatives.

• Managed supplier relationships and service providers to ensure compliance with contractual obligations, service levels, timelines, and quality expectations.

• Supported vendor selection processes, RFP evaluations, delivery governance, cost monitoring, and performance reviews.

• Controlled project budgets, forecasts, resource allocations, and financial tracking to ensure delivery within approved constraints.

• Scheduled workshops explaining the business requirement, prioritizing project goals and managing change.

• Oversaw cloud migrations (Azure/ AWS), database migrations/upgrades, system upgrades, infrastructure & application modernization, data management, legacy decommissioning initiatives, AI solutioning, transition plan of 2000+ applications etc.

• Coordinated execution, deployment, integration, commissioning, data migration and handover activities to ensure production readiness.

• Led a cross-functional team proactively managing dependencies and resolving project issues to closure, while maintaining delivery timelines.

• Proactively managed project risks, dependencies, issues, change requests, and escalations to ensure predictable project outcomes.

• Ensured compliance with GxP, ITIL, corporate governance standards, validation requirements, and audit controls.

• Led internal and external audit support activities, validation documentation, CAPA coordination, and regulatory compliance initiatives.

• Drove process standardization, automation, and governance improvements across project delivery functions.

• Led application rationalization initiatives resulting in the retirement of more than 50 legacy applications, improving operational efficiency and reducing maintenance costs.

• Currently driving Generative AI initiatives to automate project documentation, reporting, knowledge management, and delivery processes.

• Facilitated lessons learned workshops and implemented continuous improvement actions to enhance project execution effectiveness.

• Independently manage financial accounting
• Prepare monthly, quarterly, and annual financial statements according to HGB and IFRS
• Create monthly reports
• Prepare booking documents and calculate provisions
• Submit VAT advance returns, annual tax returns, and summary reports
• Consolidate all relevant financial data from multiple entities in SAP BYD
• Optimize AP and AR processes
• Manage general ledger and fixed asset accounting
• Serve as direct contact for internal and external finance topics
• Prepare monthly forecasts, intercompany and account reconciliations
• Manage accounts payable, accounts receivable, and bank accounting
• Submit factoring reports to banks
• Provide cash flow report to the CFO
• Train new finance staff
• Prepare and ensure compliance with financial statements
• Liaise with auditors and tax advisors

• Supported environmental, quality and safety management systems in industrial waste and wastewater operations.
• Monitored environmental compliance with internal procedures and environmental regulations.
• Evaluated wastewater treatment processes to improve environmental performance and operational efficiency.
• Assisted in investigating process deviations and implementing corrective actions.
• Collaborated with operations and laboratory teams to optimize treatment processes, quality assurance measures, and environmental performance.

• Content responsibility for two areas (careers and continuing education, as well as school, training and studies) and coordination with specialist departments
• Topic research and content planning for the online portal
• Web-friendly creation of target-group-relevant and SEO-optimized content for the online portal
• Building and maintaining multimedia content in the online portal CMS (Drupal)
• Monitoring the content of the online portal using Google Search Console and Matomo
• Ensuring the quality of the online portal through tests and analyses
• PowerPoint presentation of work results in topic conferences with BA specialist departments
• Supporting the existing online presence and analyzing and fixing errors