Where does Dennis Marttinen work?

Dennis Marttinen is Co-founder and CTO of CRACI.

What companies did Dennis Marttinen found?

Dennis Marttinen founded CRACI.

Where did Dennis Marttinen go to school?

Dennis Marttinen studied at SECCLO Master's Programme in Security and Cloud Computing (Erasmus Mundus) (Master of Science - MS, Computer and Information Systems Security/Information Assurance); Aalto University (Master of Science in Security and Cloud Computing (SECCLO) - M.Sc. (Tech.), Computer and Information Systems Security/Information Assurance); Norwegian University of Science and Technology (NTNU) (Master of Science (MSc) in Security and Cloud Computing, Computer and Information Systems Security/Information Assurance).

Dennis Marttinen

Founder

Co-founder and CTO at CRACI

Finland

FoundedCRACI

Co-founder and CTO at CRACI

Intro paths

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In turn, Dennis can intro founders to CRACI's investors below.

CRACI's investors · 2

Lifeline VenturesHelsinki Wave VenturesHelsinki

Co-founders at CRACI

Juho NiemiCo-founder and CEO

Jaakko SirénCo-founder and CPO

Petteri PulkkinenCo-founder and CISO

Experience

CRACICTO, Co-foundercurrent2025 — present
CSC - IT Center for ScienceSystem Specialist2025Finland
Aalto University Department of Computer ScienceResearch Assistant2024Finland
Aalto University Department of Computer ScienceResearch Assistant2023Finland
PatriaJunior Software Developer2022Finland
YO-bitti OySoftware Developer2021 — 2022Finland
The Linux FoundationLFX Mentee2021Finland
WeaveworksSummer Employee for Open Source2020Finland
WeaveworksSummer Employee for Open Source2019Finland
Puolustusvoimat - Försvarsmakten - Finnish Defence ForcesSimulation Software and Network Architect2018 — 2019Finland

Skills & more

Artificial Intelligence (AI)Machine LearningKubernetesHigh Performance Computing (HPC)Cloud-Native Architecture1Cloud-Native ApplicationsOpen-Source DevelopmentInformation SecurityNetwork SecuritySoftware DesignTechnical StrategyTechnical Documentation

+12 more

Information System DesignElectronic System DesignNetwork DesignContainerizationVirtualizationDevOpsAutomationSystem DeploymentKubeflowTeam LeadershipFirmware DesignEmbedded Systems

Languages English · Finnish · German · Swedish

Speaker: KCD Helsinki 2025 — The Linux Foundation
Speaker: KubeCon + CloudNativeCon Europe 2025 — The Linux Foundation
Starting Up — MinnaLearn

From Dennis's professional profile.

Frequently asked questions

Who is Dennis Marttinen?: Co-founder and CTO at CRACI
Where does Dennis Marttinen work?: Dennis Marttinen is Co-founder and CTO of CRACI.
What companies did Dennis Marttinen found?: Dennis Marttinen founded CRACI.
Where did Dennis Marttinen go to school?: Dennis Marttinen studied at SECCLO Master's Programme in Security and Cloud Computing (Erasmus Mundus) (Master of Science - MS, Computer and Information Systems Security/Information Assurance); Aalto University (Master of Science in Security and Cloud Computing (SECCLO) - M.Sc. (Tech.), Computer and Information Systems Security/Information Assurance); Norwegian University of Science and Technology (NTNU) (Master of Science (MSc) in Security and Cloud Computing, Computer and Information Systems Security/Information Assurance).