Sven Krahn-Interim CTO / CTPO (Software-, Cloud- & AI-Transformation)
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Experience
Technical Advisor / Assessment Lead (Product Delivery & AI-Transformation)
nexMart GmbH & Co. KG
Assessment of the product, delivery, and AI organization with a realignment of operational excellence, target architecture, and AI-first operating model
Initial situation: The product and delivery organization showed structural weaknesses in efficiency, control, and collaboration. In addition, there was no clear target architecture for AI-driven product and organizational development. At leadership level, transparency about roles, responsibilities, and operational performance was limited.
Responsibility & approach:
- Analysis of the existing product, delivery, and organizational structures with regard to processes, governance, and controllability
- Evaluation of architecture and platform in terms of scalability, future readiness, and AI integration
- Development of a target picture for an AI-first product and delivery operating model
- Derivation of concrete measures to improve operational excellence and collaboration
- Sparring with the leadership team on structured organizational development
Results & impact:
- Creation of transparency around structural bottlenecks, performance, and decision logic
- Development of a target structure for a scalable AI-first product and delivery setup
- Improved decision-making ability and controllability at leadership level
- Creation of a solid foundation for downstream transformation measures
- Definition of concrete levers to improve efficiency, collaboration, and time to market
Interim Head of Software Development / Transformation Lead
Diehl Metering GmbH
Technical due diligence; transformation from a hardware supplier to a SaaS platform; architecture modernization and cloud transformation
Initial situation: The existing platform was not future-proof in terms of scalability, delivery, data architecture, and cloud capability. The technical due diligence identified structural weaknesses in organization, architecture, governance, and controllability. In addition, there was strong transformation pressure toward a data- and platform-driven SaaS model.
Responsibility & approach:
- Derivation and implementation of a target architecture including re-architecture of the smart metering platform
- Setup and implementation of a cloud-based Universal Data Platform (UDP)
- Management of the public cloud transformation while considering regulatory and sovereignty-related requirements
- Restructuring of organization, roles, product, data/AI, and governance structures
- Execution of a red flag technical due diligence as part of a planned acquisition
Results & impact:
- Creation of a scalable cloud-based platform architecture with improved delivery and organizational control
- Reduction of technological risks and expansion of clear governance and decision structures
- Operational efficiency gains of >1.2 million € in 2025 to finance the first cloud transformation phase
- Expected infrastructure and operating savings of 6–7 million € within three years through cloud-native and managed service architecture
- Creation of the technological foundation for introducing the Universal Data Platform (UDP) as a strategic product and scaling base
Interim Vice President Application Platforms
Netgo Group GmbH
Consolidation and setup of a cloud & managed services platform organization
Initial situation: After the founding of the business unit “Application Platforms,” there was no unified product portfolio, no clear go-to-market structure, and no defined technology and platform strategy. In addition, there was organizational fragmentation between private cloud, public cloud, and data center & network, as well as a lack of standardized cloud and managed service offerings.
Responsibility & approach:
- Consolidation and restructuring of the private cloud, public cloud, and data center & network areas
- Leadership and performance management of a team of around 120 employees
- Development of a unified product and service portfolio across all platform areas
- Definition of the technology stack and management of technology partnerships and technical implementation
- Development and execution of go-to-market strategies including sales enablement and organizational training
Results & impact:
- Expansion of a unified cloud and managed services platform organization
- Introduction of a standardized service and product portfolio across public and private cloud services
- Transformation from a traditional system house to an IT-as-a-Service model
- Increase in recurring revenue through cloud and managed services
- Improved scalability and controllability of the platform and service business
Technical Advisor / Project Management / Pre-Sales Support
Brightgrove GmbH
Analysis of the existing SAP ERP/ECC and NetWeaver system landscape with regard to transformation and migration requirements
Identification of components to be phased out and definition of necessary new developments
Alignment of the scope of services between customer and service provider
Capacity and resource planning, especially for ABAP development
Creation of a migration roadmap, prioritization, and scope definition for the transformation
Creation of a solid planning and decision-making basis for the cloud transformation
Clear transparency regarding scope, criticality, and technical transformation requirements
Definition of a structured migration roadmap for the public cloud transformation
Improved controllability and feasibility of the migration through clear service and resource planning
Foundation for the successful execution of the migration between customer and service provider
Technical Due Diligence Lead / Interim CTO (Software-, Cloud- & AI-Transformation)
Palo Alto Strategy Group LLC
Initial situation: Private equity investors and deal teams need reliable assessments of technology, architecture, delivery capability, and organization before transactions. Transparency about scalability, technical risks, tech debt, and necessary transformation measures is often missing. In addition, there is strong pressure to quickly translate technology risks into solid investment and implementation decisions.
Responsibility and approach:
- Execution of technical due diligence mandates in software, SaaS, and platform companies
- Analysis of architecture, infrastructure, data, security, delivery capability, and engineering organization
- Evaluation of scalability, tech debt, governance, and operating model structures
- Translation of technical findings into investor-ready decision and prioritization logic
- Derivation of concrete risks, measures, and transformation implications for post-deal phases
Results & impact:
- Creation of transparent and prioritized decision bases for investors and deal teams
- Clear assessment of technology risks, scalability, and organizational maturity levels
- Reduction of investment and transformation risks through structured analysis and recommendations
- Strong fit for operational transformation and post-deal mandates
- Link between technical due diligence and operational transformation and implementation logic
Group CTO
HRS GmbH
- Strategic and operational responsibility for software development, platform engineering, and IT operations of the SaaS platform
- Budget and personnel responsibility for around 400 employees in development, architecture, and operations at international locations
- Management of portal development, cloud transformation, data platform, and infrastructure modernization
- Responsibility for scalability, infrastructure costs, utilization, and cost efficiency of the delivery organization
- Ensuring stable operations, security, incident, and problem management structures
CTO
1&1 IONOS CLOUD SE
- Strategic and operational responsibility for the enterprise cloud platform of 1&1 IONOS CLOUD
- Budget and personnel responsibility for around 140 employees in development, IT operations, office IT, and customer support
- Management of international data center, infrastructure, and third-party technology environments
- Responsibility for IT roadmap, governance, as well as technology decisions and innovation management
- Ensuring operational stability, scalability, and operational excellence of the cloud platform
CTO
MEINESTADT.DE GmbH
- Budget and personnel responsibility for around 50 employees in development, IT operations, data centers, nearshore, and business support
- Responsibility for IT roadmap, governance, as well as technology decisions and innovation management
- Further development of organizational, performance, and leadership structures within the IT and product organization
- Management of the agile transformation with a focus on transparency, speed, and delivery quality
- Ensuring stable operations and development structures in a complex platform and service environment
CIO; Managing Director IT; Managing Director Unister Factory
UNISTER GmbH
- Budget and personnel responsibility for over 600 employees in shared services, business process management, software development, infrastructure, and IT operations at seven locations
- Responsibility for IT strategy, technology decisions, and enterprise architecture management
- Management of turnaround management and restructuring of the IT organization
- Introduction of performance management and restructuring of inefficient organizational and location structures
- Improvement of technical availability through the introduction of continuous deployment and application monitoring, as well as preparation of the business unit for due diligence and sales processes
Head of International Market Development
1&1 INTERNET AG
- Overall responsibility for international expansion into new regions and countries, including market strategy, business plan, and market entry management
- Development of market entry strategies for nine core markets in Europe, Eastern Europe, and LATAM, as well as further international target markets
- Building international organizational, infrastructure, and service structures for new markets
- Management of customer service, billing, and operational setup processes for international rollouts
- Execution of international launches and scaling initiatives for digital products and SaaS offerings
Director Customer Service Infrastructure and Technology
Ebay GmbH
- Member of the European management team with responsibility for infrastructure and technology processes in the European customer service organization
- Managed 75 employees and had budget responsibility of USD 10.7 million
- Managed infrastructure and technology programs to support global CRM, workforce management, and content management systems
- Introduced Lean Six Sigma, ITIL, and process management standards to improve service and operations processes
- Carried out transformation and rationalization measures to improve efficiency, customer satisfaction, and operational control
Management and Director Positions
Various Bertelsmann Companies
Positions: Senior Director Billing & Customer Services – Lycos Europe Manager Billing & Customer Service / Call Center Management – AOL Europe Project Manager Logistics & Warehousing – Bertelsmann Distribution (today Arvato)
Responsibility & approach:
- Responsibility for international service, billing, customer service, and operations structures in various business units
- Managed billing, collections, risk, and customer service processes including infrastructure and technology responsibility
- Built and restructured international call center and service organizations in Germany, France, and Ireland
- Developed and implemented operational process, reporting, and control structures for billing and service organizations
- Led technology-driven transformation and automation initiatives in logistics, service, and billing environments
Industry Experience
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Experienced in Information Technology, Media and Entertainment, Tourism, Professional Services, Retail, and Telecommunication.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Operations, Information Technology, Customer Service, Project Management, Finance, and Logistics.
Summary
- Takes full responsibility in technology-driven transformation and growth situations, from technical due diligence through target architecture to the operational stabilization and scaling of platform and engineering organizations.
- Establishes reliable decision-making, governance, and KPI structures to make technology risks transparent and measurably improve delivery, performance, and investment readiness.
- Leads re-architecture, cloud, and platform transformations in complex system landscapes to sustainably increase scalability, operational stability, and time to market.
- Restructures and manages international engineering and delivery organizations with several hundred employees to significantly improve efficiency, collaboration, and operational control.
- Integrates AI and data logic into platform, product, and organizational structures to make technological transformation operationally feasible and achieve measurable business impact in efficiency, scaling, and delivery.
Skills
- Technical Due Diligence & Risk Analysis
- Investment & Decision-Making Capability
- Cloud Transformation & Re-Architecture
- Delivery Stabilization & Governance
- Scaling Platform & Engineering Organizations
- Platform & Architecture Modernization
- Delivery Stabilization & Performance
Languages
Education
Universität Karlsruhe (TH)
Diplom Wirtschaftsingenieur · Diplom Wirtschaftsingenieur · Karlsruhe, Germany
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