Tobias Greiner
Head of IT D-A-CH (CIO)
Head of IT D-A-CH (CIO)
Sodexo Service GmbH
Responsible for IT strategy and operational IT management in the D-A-CH region, including infrastructure, applications, IT operations, security, and support. Developed and implemented a strategic IT transformation to improve scalability, efficiency, and security of IT systems. Managed a team of 25 specialists and coordinated with global and regional IT stakeholders. Rolled out a centralized IT service model for 250+ sites to standardize and optimize IT processes. Supported and technically implemented a carve-out to ensure business continuity.
Developed and implemented a scalable IT roadmap for strategic alignment of IT
Introduced modern cloud technologies and automation solutions for process optimization
Ensured compliance with ISO 27001, GDPR, and ITIL standards to minimize security risks
Reduced IT costs by 20% through cloud migration and IT consolidation
Built and led a high-performing IT team focused on innovation and service orientation
Led IT transformation projects, including ERP migration, IT security, and digitization
Launched a cloud-based IT platform for a more efficient and flexible IT infrastructure
Standardized and automated IT services for 250+ sites to optimize business processes
Cut IT costs by 20% through consolidation and IT modernization
Successfully supported a carve-out with smooth separation of IT systems
Significantly improved IT security level by introducing ISO 27001 and GDPR-compliant processes
Optimized service times by 30% through AI-driven process automation
International experience: Austria (22 months, regular visits)
International experience: Switzerland (22 months, regular visits)
Head of IT (CIO)
AVL GmbH
Led IT strategy and operational IT management for infrastructure, applications, operations, IT security, and service delivery. Realigned IT services to business needs by implementing a modern IT strategy. Managed IT compliance and security certifications (ISO 27001, TISAX). Led a team of 12 to boost efficiency, security, and performance.
Developed and implemented an IT strategy to modernize infrastructure and optimize IT services
Aligned IT strategy with business requirements through comprehensive resource and needs analyses
Negotiated and managed IT contracts to ensure cost efficiency and service quality
Monitored compliance with quality standards and change management processes
Established a central IT contract database to optimize contract management
Comprehensive restructuring of the IT department with clear IT governance and process improvements
Successfully achieved IT and security certifications (ISO 27001, TISAX)
Improved transparency and cost control by introducing a centralized IT contract management
Reduced IT costs by 15% through optimization of service and infrastructure landscape
International experience: Austria (6 months, regular visits)
Director Information Systems (CIO)
Segula Technologies GmbH
Built and led the IT department focusing on IT governance, infrastructure, and IT security in a post-merger environment with direct responsibility for IT infrastructure, applications, and security. Managed global IT projects including budgeting and investment control. Harmonized and integrated existing IT systems after an acquisition.
Developed a forward-looking IT governance strategy to support business goals
Ensured a highly available and secure IT infrastructure
Coordinated IT projects to integrate and harmonize existing IT systems
Introduced and enforced security standards per ISO 27001 and TISAX
Efficiently managed the IT budget and investments according to corporate objectives
Established a robust IT department after acquiring a large company
Scaled and modernized IT infrastructure for 1,500 employees
Successfully harmonized and integrated IT systems post-acquisition
Implemented a centralized IT governance and service management system for higher efficiency
International experience: France (6 months, occasional visits)
Head of Global PMO / Head of IT / Department Head International Projects
Spectris plc. / Brüel&Kjaer Vibro GmbH
Strategic leadership and development of global IT and IT-PMO teams focusing on IT governance, service management, and process harmonization. Built a company-wide IT governance and service management system to harmonize IT processes across multiple sites. Responsible for IT security, standardization, and outsourcing strategies.
Developed and implemented a global IT governance and service management system
Led the global IT-PMO team to ensure consistent IT project management standards
Optimized IT security architecture and introduced enterprise-wide IT governance
Managed international IT transformation projects to boost efficiency and reduce costs
Developed standardized IT processes for uniform IT operations worldwide
Rolled out a global IT governance and service management system for more transparency and efficiency
Harmonized and standardized IT operations across multiple sites
Executed a successful outsourcing strategy for significant cost reduction
Improved IT transparency company-wide by implementing an enterprise governance system
International experience: United Kingdom (10 months, occasional visits)
International experience: Denmark (12 months, external responsibility)
Senior Project Manager / Strategic PMO Lead
Siemens
Strategic setup and leadership of the PMO with focus on IT governance, project controlling, and standardization of IT processes. Planned and executed complex IT and service projects to optimize IT operations.
Led and executed technical and organizational IT projects
Introduced project controlling systems and regular quality checks
Launched training and certification programs to develop team competencies
Developed and implemented strategies to optimize project delivery
Established a PMO to introduce standardized IT project management processes
Successfully embedded IT governance and significantly improved project transparency through standardized processes.
System Technician / Product Technician / Service Technician
Olivetti GmbH
Responsible for technical support, maintenance, and repair of IT hardware, including motherboards, laptops, and notebooks. Planned, managed, and executed IT projects for large clients with focus on quality assurance and efficient system integration. Worked closely with subcontractors and suppliers to ensure product quality, and supported sales partners with technical training and pre-sales support.
Performed maintenance, repair, and diagnostics for IT systems
Provided hotline support for technicians and customers, troubleshooting and resolving technical issues
Developed technical documentation and installation guidelines to standardize processes
Introduced new service processes to increase efficiency in technical support
Optimized service processes through standardized documentation and training
Awarded national champion in office electronics craft & chamber champion of the Rhein-Main Chamber of Crafts
Increased efficiency in technical support through improved diagnostics and maintenance workflows.
Experienced IT executive with over 30 years of international leadership in IT strategy, digital transformation, and IT governance. Proven track record in IT cost optimization, automation, and implementing innovative technologies like cloud, big data, and AI. Specialized in IT restructuring, change management, and post-merger integration. Expert in strategically realigning and scaling IT architectures to ensure competitiveness and efficiency of global business processes.
CISM – Certified Information Security Manager
ISACA
IPMA Level B – Senior Project Manager
IPMA
ISO 27001 – Certified Information Security Manager
ITIL Foundation – IT Service Management
PROSCI – Change Management Expert
Prosci
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