
C T.
CTIO @ NET CHECK GmbH
About
Accelerating Digital Transformation, Growth & Resilience in Telecom and Technology Board-level strategic technology executive with 20+ years of delivering measurable business transformation in global telecom and IT organizations. I specialize in aligning large-scale technology investments with business growth, translating complex digital agendas into clear, profitable outcomes. Recognized for driving double-digit efficiency gains, accelerating time-to-market, and strengthening enterprise resilience, I lead cross-functional teams that bridge strategy, innovation, and execution. Whether steering €4B portfolios or pioneering AI, cloud, and data strategies, my approach always balances innovation with governance, compliance, and long-term value creation. Core competencies include: •Enterprise Transformation & Strategic Roadmapping – Creating vision-aligned tech strategies that fuel competitive differentiation •P&L Ownership & ROI-Driven Investments – Managing €50K–€4B portfolios with consistent return and capital efficiency •Cross-Functional Executive Leadership – Leading multidisciplinary teams that unite technology, operations, and business impact •Digital Innovation with Governance – Implementing AI, analytics, and cloud at scale while managing risk, ethics, and compliance •Board-Level Communication – Translating technology into business opportunity for boards, investors, and C-suites Mission: I believe technology should simplify complexity, empower people, and create sustainable advantage.
Germany
Berlin
Telecommunications
Technical Project Management, Jira, Agile Methodologies, Infrastructure, Software Documentation, IT Service Management, Collaborative Work, Regulatory Requirements, COOs, Operational Excellence, Relationship Building, External Relationships, Software Integration, Enterprise Resource Planning (ERP), Digitization, Business Intelligence (BI), Contract Negotiation, Professional Services, Integration Projects, Business Management
Experience

CTIO
Ella Barowsky Strasse 45-47, 10829 Berlin
Executive leadership role reporting directly to CEO with full P&L responsibility for technology strategy and innovation portfolio. Appointed to transform the technology strategy and drive business growth through digital innovation. Lead enterprise-wide technology initiatives while managing a €20M annual technology budget and a team of 200 professionals across engineering, operations, and innovation functions. Strategic Business Impact: • Increased operational efficiency by 30% through the implementation of AI-driven network intelligence solutions, resulting in €5M annual cost savings • Accelerated revenue growth by 15% by developing and launching 3 new data monetization services for enterprise clients • Reduced time-to-market for new services by 40% through cloud transformation and DevOps implementation • Improved customer retention by 90% through enhanced service quality and performance optimization Leadership & Innovation: • Established the company's first Engineering and Delivery department, resulting in 4 successful commercial products and 1 acquisition • Led board-level digital transformation strategy, securing €3M in funding, providing the basis for growth and diversification, opening doors for cooperation with government entities, and securing additional investment for strategic technology initiatives • Developed and implemented a comprehensive AI governance framework, ensuring ethical deployment while maximizing business value • Started the ISO 27001 certification process • Built high-performing cross-functional teams that consistently exceeded performance targets while maintaining industry-leading talent retention

Chief Technology Officer
• Spearheaded the deployment of AI-driven network intelligence solutions, enhancing operational efficiency by 30% and achieving €5M in annual cost savings through optimized schedule and cost performance management. • Drove a 15% increase in revenue by developing and launching three new data monetization services, managing the full lifecycle from proposal to customer engagement. • Accelerated time-to-market for new services by 40% by leading a successful cloud transformation and implementing DevOps practices, improving program schedules and technical performance. • Improved customer retention by 90% through strategic service quality and performance optimization initiatives, resulting in measurable improvements in overall program outcomes. • Established the company’s first Engineering and Delivery department, launching four successful commercial products and facilitating one acquisition through structured program execution and cross-functional collaboration. • Secured €3M in funding by developing and presenting a board-level digital transformation strategy, incorporating rigorous financial baseline management and systematic performance reporting.

Head of E2E Network Performance & Optimization (TF)
Ferdinand-Braun-Platz 1, 40549 Düsseldorf
🚀 Optimizing Network Performance & Customer Experience to Drive Revenue Growth Led enterprise-wide network performance strategy to drive revenue growth and reduce customer churn. Directed cross-functional teams across planning, capacity, core, access to ensure seamless service delivery and optimal customer experience. Which also led to better benchmarking KPIs. Strategic Business Impact: • Reduced customer churn by 8% through targeted network enhancements, directly contributing to a substantial increase in annual revenue • Improved network performance metrics across all key indicators, achieving industry-leading reliability scores • Implemented data-driven optimization strategies that substantially reduced operational costs annually • Developed network resilience framework that reduced service disruptions by 35% Leadership & Innovation: • Redesigned governance model, improving cross-functional collaboration and reducing decision cycles by 40% • Led negotiations with global technology vendors, securing favorable outcomes in service reliability. • Established performance analytics center of excellence, enabling predictive maintenance and proactive issue resolution • Mentored high-potential leaders, with 3 team members advancing to senior leadership positions

Head of Performance
• Led an enterprise-wide network performance program that reduced customer churn by 8% through targeted network enhancements and continuous risk evaluation. • Optimized network performance metrics to achieve industry-leading reliability scores, utilizing systematic performance reviews and integrating technical program management tools. • Implemented data-driven operational strategies that reduced operational costs, reinforcing program management fundamentals in financial and schedule performance. • Developed and implemented a network resilience framework that decreased service disruptions by 35% by integrating proactive risk management practices.

Program Manager
Tango SA
Luxembourg, Belgium
🚀 Regulatory Compliance & Roaming Transformation Led strategic implementation of EU Roaming Regulation compliance program, ensuring seamless integration within the operator's ecosystem while maintaining competitive advantage. Strategic Business Impact: • Delivered full regulatory compliance 2 months ahead of deadline, avoiding potential penalties of €2.5M • Implemented cost-optimization strategies that reduced roaming operational expenses by 18% • Positioned the company as an industry leader in regulatory adaptation, enhancing market reputation Leadership & Innovation: • Orchestrated cross-border collaboration between technical, legal, and business stakeholders • Developed an innovative implementation approach that became a model • Successfully managed complex vendor relationships to ensure timely platform deployment

Radio Network & Optimization Managing Director
Düsseldorf Area, Germany
🚀 Expanding Huawei’s Market Share & Driving Large-Scale Network Optimization Spearheaded Huawei's market expansion within Vodafone Group, leading large-scale network transformation projects while ensuring performance excellence and strategic alignment. Strategic Business Impact: • Expanded Huawei's footprint within Vodafone Group, increasing market share by 15% • Improved network performance metrics to industry-leading standards (drop call rate <1%, accessibility <0.8%) • Accelerated deployment velocity by 30%, successfully implementing 150+ sites per week Leadership & Innovation: • Pioneered SQI (Service Quality Improvement) pilot program that became standard practice across multiple markets • Strengthened strategic partnership between Huawei and Vodafone, facilitating long-term collaboration • Led cross-cultural teams to deliver complex technical solutions while maintaining quality standards

Managing Director
• Expanded Huawei’s market share within Vodafone Group by 15% by leading large-scale network transformation projects and ensuring performance excellence. • Improved network performance metrics to industry-leading standards (drop call rate <1%, accessibility <0.8%) and accelerated deployment velocity by 30% (150+ sites per week).

LTE PROGRAM MANAGER
TANGO SA
Luxembourg, Luxembourg
🚀 Pioneering LTE Deployment & Optimizing Network Efficiency As LTE Program Manager, I led Tango’s LTE network deployment, collaborating with suppliers Huawei (EUTRAN) and NSN (EPC) to ensure seamless integration and operational optimization, improving network efficiency, coverage, and margins while adhering to Total Cost of Ownership (TCO) agreements. I acted as the primary point of contact for customer and supplier relationships, enhancing long-term partnerships and ensuring consistent delivery of high-quality projects. 💡 Key Achievements: ✔ 1st in Europe to establish Roaming LTE Data Call – Pioneering project that set the industry standard in LTE Roaming. ✔ Cost Optimization – Reduced overall budget by improving processes and eliminating inefficiencies. ✔ Successful Vendor Coordination – Coordinated Huawei and NSN to optimize network coverage and refarm frequencies. ✔ Seamless Integration – Ensured legacy elements were correctly integrated without revenue loss, preserving service continuity. ✔ KPI Management – Identified deviations and implemented strategies to eliminate root causes. 🔍 Core Focus Areas: ✅ LTE Network Deployment – Leading LTE rollouts and network optimization. ✅ Supplier & Customer Relations – Strengthening partnerships with Huawei, NSN, and internal stakeholders. ✅ Budget & Resource Management – Driving cost savings while ensuring resource efficiency. ✅ Project Governance & Risk Management – Managing project scope, timelines, and risks to ensure successful delivery.

CUSTOMER SUPPORT MANAGER (Program Manager)
NOKIA SIEMENS NETWORKS (NSN)
Munich Area, Germany
🚀 Driving End-to-End Customer Satisfaction & Successful Program Delivery As Customer Support Manager at NSN, I was responsible for end-to-end customer satisfaction, acting as the single point of contact between customer teams and R&D, overseeing major clients like T-Mobile Group, Telefonica, TMN, and MTS. I managed the swap of Siemens radio equipment to Nokia radio equipment, covering 14,000 sites, and led 4G (LTE) deployment in white spots to replace ADSL on 800 MHz, improving coverage and overall network performance. 💡 Key Achievements: ✔ 1st in Europe to implement LTE on 800MHz – Led the successful LTE rollout for enhanced coverage. ✔ Major Equipment Swap – Directed the Siemens-to-Nokia radio equipment swap, ensuring smooth transitions on 14,000 sites. ✔ Optimized Network – Consistently improved KPIs, optimizing network performance and coverage. ✔ Customer Satisfaction – Managed customer expectations and resolved technical queries, ensuring successful project delivery and high satisfaction levels. 🔍 Core Focus Areas: ✅ Customer Liaison & Relationship Management – Acting as the single point of contact for major clients and R&D teams. ✅ LTE & Network Optimization – Deployed LTE on 800MHz, optimizing network performance in white spots. ✅ Cross-functional Team Leadership – Managed internal and external resources to meet project timelines and quality standards. ✅ Risk Management & Problem Resolution – Identified risks and developed plans to address them, ensuring timely and cost-effective delivery.

Customer Service Support Manager
Nokia Siemens Networks
• Led the first European implementation of LTE on 800MHz, creating new market opportunities and demonstrating cutting-edge technical program management. • Directed the seamless Siemens-to-Nokia radio equipment swap across 14,000 sites, ensuring a smooth transition with no service disruption.

Optimization Manager
WFI
Glasglow Area, KY
📍 Glasgow Area, KY | Sep 2004 – 2005 (5 months) 📍 Marseille Area, France | Apr 2004 – Sep 2004 (6 months) 🚀 Driving Regional KPI Improvement and Optimization Excellence As an Optimization Manager at WFI, I was responsible for driving regional KPI improvement, working closely with both internal and external customers to ensure the highest level of network performance and optimization. I managed a cross-functional team of over 15 engineers, riggers, drive testers, drivers, optimizers, and planners, overseeing critical aspects such as cell design, integration, capacity, and performance for site acceptance and ongoing performance improvements. 💡 Key Responsibilities: ✔ Team Leadership & Coordination – Managed a diverse team of 15+ engineers and other professionals across different roles. ✔ Cell Design & Optimization – Directed the design, integration, and performance optimization of cells to meet high-quality standards. ✔ Regional KPI Improvement – Focused on continuously improving regional performance metrics to meet targets. ✔ Customer Relationship Management – Maintained strong relationships with customers to ensure long-term satisfaction and retention. ✔ Risk Management & Issue Resolution – Proactively identified project risks, planned mitigations, and escalated issues promptly when required.

Overall responsibility: Regional KPI improvement. Single Point of contact, or Optimization Issues li
WFI
Marseille Area, France
Responsibilities: Overall Responsibility: South of France Swap from Alcatel kit to Nortel Kit Team management: More than 15 engineers, riggers, drive testers, drivers, Optimizers, planners Responsible for cell design Responsible for cell capacity Responsible of cell integration, Responsible for site acceptance Responsible for site performance Maintaining customer relationship to achieve long -term retention & satisfaction. Reporting project progress to a project sponsors & senior management. Coordinate personnel & manage contractors. Promptly escalate any quality or integrity issues. Identify project risks and plan with appropriate people to resolve them Team management: More than 15 engineers, riggers, drive testers, drivers, Optimizers, planners Responsible for defining methods and procedures Responsible for drive test route definition Responsible for Test definition Responsible for cell design Responsible for cell capacity Responsible of cell integration, Responsible for site acceptance

RNPI MANAGER (Radio Network Performance Improvement)
Al-Riyadh Governorate, Saudi Arabia
🚀 Leading Large-Scale Network Swap & Performance Optimization As RNPI Manager, I spearheaded a major network transformation project, overseeing the swap from Lucent to Ericsson equipment while ensuring network performance and capacity improvements across multi-vendor environments. I led a 40+ member team split across Riyadh and Jeddah, ensuring seamless operations, compliance with agreed KPIs, and the successful introduction of new tools and methodologies for network optimization. 💡 Key Responsibilities: ✔ Network Swap & Modernization – Led the swap from Lucent to Ericsson equipment, ensuring a seamless transition with minimal service disruption. ✔ Radio Network Performance Improvement (RNPI) – Defined methods, procedures, and best practices to enhance network quality and capacity. ✔ Multi-Vendor KPI Compliance – Ensured that agreed KPIs were met in a multi-vendor environment across different regions. ✔ Tool Introduction & Testing – Led the introduction and validation of network performance tools, drive test methodologies, and route definitions. ✔ End-to-End Network Optimization – Oversaw cell design, integration, capacity planning, and site acceptance to maximize network efficiency. ✔ Customer & Stakeholder Management – Maintained strong client relationships, regularly reporting project progress to senior management and project sponsors. ✔ Cross-Functional Team Leadership – Managed a large-scale team (40+ engineers, riggers, drive testers, and planners) across two major cities, ensuring high productivity and efficiency. ✔ Risk & Quality Management – Identified project risks, developed mitigation strategies, and escalated quality and integrity issues promptly. 🎯 Key Achievements: 🏆 Successfully led the first large-scale Lucent-to-Ericsson swap in Saudi Arabia. 🏆 Optimized network performance and capacity while ensuring seamless customer experience. 🏆 Introduced new testing tools and drive test methodologies to enhance efficiency.

Customer Technical Support Manager
Nürnberg Area, Germany
🚀 Leading Global Tier 2 & 3 Support Teams for APAC & Africa As Customer Technical Support Manager, I led a 40+ engineer team responsible for Tier 2 & 3 technical support for customers across APAC and Africa. I worked closely with international clients, ensuring seamless support operations, knowledge transfer, and vendor coordination to maintain high customer satisfaction and retention. 💡 Key Responsibilities: ✔ Global Technical Support Leadership – Managed a Tier 2 & 3 support team for critical telecom operations in APAC and Africa. ✔ Customer & Stakeholder Engagement – Provided direct technical support and advisory to African and APAC customers, fostering long-term relationships. ✔ Ticket Resolution & SLA Compliance – Ensured timely resolution of tickets while maintaining agreed KPIs and SLAs. ✔ Process Optimization & Knowledge Transfer – Developed methods and procedures to improve team efficiency and drive local knowledge transfer. ✔ Tool Introduction & Testing – Led the introduction of new diagnostic tools and ensured their effective deployment. ✔ Vendor & Multi-Stakeholder Coordination – Facilitated communication between customers and multiple vendors, introducing reconciliation measures to resolve complex issues. ✔ Risk & Quality Management – Identified potential service risks and implemented proactive solutions to mitigate technical challenges. ✔ Cross-Functional Team Management – Led a diverse, 40-member team across multiple locations, ensuring high performance and collaboration. 🎯 Key Achievements: 🏆 Successfully improved technical support processes, leading to higher ticket resolution rates and better SLA compliance. 🏆 Strengthened customer relationships in Africa and APAC, fostering long-term retention. 🏆 Introduced new vendor reconciliation strategies, reducing conflicts and improving efficiency.
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