Martin Rusnak - Interim CTO
Experience
TECH DUE DILIGENCE FOR PE, VC & FAMILY OFFICES (UNDER NDA) – AI STRATEGY
PE, VC & family office portfolio companies (confidential, under NDA)
Two parallel workstreams: (1) Tech due diligence for acquisitions and portfolio companies. (2) AI strategy certification and AI governance consulting.
Tech assessments for PE/VC acquisitions: code reviews, architecture analysis, scalability evaluation
Tech assessment frameworks and integration roadmaps for portfolio companies
TÜV SÜD certification program: AI governance, EU AI regulation (EU AI Act)
Strategic AI roadmap development for mid-market companies
Delivered several tech DD reports for investment decisions
Developed integration roadmaps for portfolio companies
TÜV SÜD 'AI Strategy & Application Expert' (expected 04/2026)
Interim CTO
Berge & Meer Touristik GmbH
ERP migration (Microsoft Business Central) as the core transformation project – planning, managing, and executing to harmonize processes and system landscapes.
Detailed IT cost analysis followed by developing a sustainable action plan to reduce run, grow, and transform costs.
Building a scalable IT organization with clear structures and targeted recruitment of key roles for long-term stabilization.
AI and IT strategy development – collaborating with the team to develop an AI-first strategy (3-year plan) and an aligned IT and data strategy to drive digitalization and innovation.
Successfully restructured the IT setup and sustainably stabilized critical processes.
Future-proofed the data & BI area – advanced the BI team, designed a modern DWH architecture (MS Fabric, AI) with the team, and defined the data strategy for the new build.
Visibly drove digital transformation – successfully established two strategic projects across the organization.
Tech Advisor & CTO Mentor
Quantrefy GmbH
- Mentoring the internal CTO and advising on efficient team building, system architecture transformation, and IT security to enable scalable growth.
- Supporting the tech leadership team in recruiting key roles and aligning team structures and processes to shorten time-to-market and foster strategic product development.
Interim CTO
movingimage EVP GmbH
Ensuring a stable, compliant, and secure video platform (AWS) with high reliability and performance.
Stabilizing the engineering team and introducing agile practices to promote best practices and efficient product development.
Introducing and implementing the OKR framework to align company-wide goals, boost team satisfaction, and support company growth.
Leading the technology and innovation strategy in close alignment with business objectives – building a product-focused organization with clear customer focus.
Building a high-performing tech leadership team: establishing strong leadership roles in product, infrastructure & security, and engineering to ensure long-term stability and strategic direction.
Successfully completing five IT security certifications (ISO 27001, TISAX): demonstrating robust compliance processes and strengthening movingimage's position as a reliable, audit-ready SaaS provider.
Management Consultant / Program Manager for PCI DSS Audit
Rubean AG
Conducting a comprehensive gap analysis to prepare for the PCI DSS 4.0 audit.
Creating a detailed project plan, ensuring C-level alignment, and securing budget approval.
Overall responsibility for the program, including developing IT security policies and implementing new processes.
Regular coordination with the PCI auditor and ongoing support for the organization throughout the audit process.
Successful PCI DSS 4.0 audit: achieved certification under the new PCI DSS 4.0 standards.
Interim CTO
Smartify IT Solutions GmbH
Delivered a comprehensive operational concept (18 modules in total).
Accelerated delivery in a powerful Kubernetes and DevOps landscape.
Ensured data integrity of highly sensitive patient data.
Transformed into a reliable, fast, and easily maintainable AWS environment.
Reduced software development time by 100%.
Significantly reduced error rates through intelligent use of cloud services.
Interim CTO / C-Level Sparring
Onventis GmbH
- Led the technology division with 60+ employees (software development, IT, SRE, security, architecture).
- Conducted product and technology due diligence for strategic investors.
- Improved performance and stabilized the Onventis Buyer Platform.
- Implemented a multi-cloud strategy (private cloud, MS Azure, AWS).
- Introduced agile portfolio and program management.
- Migrated from a monolithic architecture to a cloud-native model (Azure).
- Rolled out OKRs across the organization.
Interim Director of Technology
Temedica GmbH
Expanded and led the software development teams.
Managed the infrastructure team.
Developed the roadmap for the technical strategy of new products.
Built high-performance squads.
Acted as a catalyst for recruitment.
Doubled the development teams within 4 months.
Stabilized team structures.
Improved team spirit by optimizing communication across all levels.
Supported the complex ISO 13485 (SaMD) audit certification.
Fractional CTO - FinTech
Areto Payment Processing
Built the core team.
Defined the roadmap and process structure.
Established communication channels and reporting.
Designed platform architecture and security concept (Azure Cloud).
Prepared and executed the PCI DSS Level 1 certification.
Led PCI DSS Level 1 compliance from scratch to certification within 10 weeks.
Integrated the first clients.
Increased performance by about 30% after go-live (Azure).
Management Consultant – Cloud Transformation
T-Systems Multimedia Solutions
Consulted on transformation projects for applications in modern cloud architectures for large enterprise clients.
Transitioned to highly automated IT operations based on Microsoft Azure.
Refactored and redeveloped applications.
Established nearshore sites in Hungary and Slovakia.
Optimized the managed Azure platform.
Increased services sales performance by about 20% for MMS's key logistics clients.
Consolidated financial and contractual frameworks.
Stabilized the overall budget (forecast BI, dashboard).
Boosted employee motivation by breaking down silos.
Launched the nearshore site in Hungary within 8 weeks.
Interim Director of Engineering – Partnerships
Joyn GmbH
Technological vision, strategy and architecture guidance for international squads in a fast-paced startup environment (AWS, React, Kafka, Kubernetes, GitLab).
Innovative VOD streaming product development from scratch – architecture and successful market launch.
Team building and hiring top talent.
Agile transformation into a world-class engineering company.
Building international high-performance teams (local and nearshore).
Joyn Selection from concept to go-live in just 10 months.
Technical Consultant
HAWK:AI
- Market analysis of the competitive landscape.
- Preparation for ISO 27.00x / IT security certification.
- Technical mentoring.
Tipico Technology Services GmbH
Fractional CTO
CommerceGate
- Platform re-architecture & relaunch.
- Structuring and implementing agile processes.
- Hiring and team development.
AXIS DATA, S.L.U.
WIRECARD AG
Nemetschek AG
Industry Experience
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Experienced in Banking and Finance, Information Technology, Professional Services, Media and Entertainment, Construction, and Tourism.
Business Area Experience
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Experienced in Information Technology, Finance, Project Management, Product Development, Business Intelligence, and Human Resources.
Summary
Interim & Fractional CTO / CIO | Trusted Advisor for SaaS and PE portfolio companies
Developing cloud strategies and transformations (AWS, Azure)
Technology & tech due diligence in various contexts
Motivator and mentor for international teams
Entrepreneurial mindset and action
Proactive, hands-on, solution-oriented
Many years of experience with PCI DSS and ISO 27.00x audits
Mentoring high-performing eHealth, streaming, and FinTech startups
Technology transformation: Leading large-scale programs including ERP migration (Microsoft Business Central), development of AI and IT strategies, and cloud modernization (AWS, Azure).
Organizational leadership: Responsible for technology organizations with up to 100 people and full P&L responsibility (€8M) – ensuring stability, scalability, and excellent delivery performance.
Data & BI modernization: Designing and implementing a modern data warehouse architecture (MS Fabric, AI) and developing a data strategy to drive data-driven decision-making.
Security & compliance: Successfully completing multiple PCI DSS and ISO 27001 certifications, ensuring top security standards and building investor and customer trust.
SaaS & private equity expertise: Trusted advisor for SaaS and private equity-backed companies, focusing on aligning technology with business strategy, improving efficiency, and accelerating growth.
Languages
Education
Constantine the Philosopher University in Nitra
Master · Computer Science and Physics · Nitra, Slovakia
Certifications & licenses
PCI DSS 4.0
PCI DSS Level 1
ITIL V3 Foundation Certification
Certified SCRUM Product Owner
Certified ScrumMaster
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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