Panos Papadopoulos

Partner at Marathon Venture Capital

📍 Greece, Greece🔄 Updated September 2026💼 12 investments📅 13 years investing🗓 Last invested May 2026𝕏 @upgrade_to_unlock
VC🌍 GreeceInvested this year
12
Total investments
7
Early stage
2
Mid stage
1
Late stage
13y
Years active

Portfolio

11 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
May 2026
NOFires mission is to shift reliability left and help engineering teams understand and operate complex systems. Built by the team behind Elastic, Mattermost Cloud and creators of urunc sandbox CNCF project. We’re a team of SREs , AI researchers, and systems engineers.
Board Member
Mar 2026
Every day, your employees make a variety of decisions, ranging from the implementation of feature A/B to architectural decisions. Due to the lack of processes or the inability to track these decisions, your company loses valuable time and resources daily. The delay in establishing clear decision-making processes not only results in financial losses but also missed market opportunities, potential loss of competitiveness, and innovation. Straion optimizes these processes in your company, reducing cost, and strengthening your companys innovative capabilities. Straion is based on established decision-making frameworks, clearly defined responsibilities, and state-of-the-art AI support. Straion is more than just a tool; its a movement towards more transparent, efficient, and inclusive decisions. Straion is set to become an indispensable solution in your organizations quest for innovation and excellence. Welcome to the future of software decision management.
Board Member
Jan 2025
Teaching robots how to work in the production line with high versatility, in just a few seconds.
Board Member
May 2023
Pioneering the future of energy with our advanced Omega technology. We empower utility companies to optimise power grid management, seamlessly integrate renewables, and drive efficient operations—partner with SMPnet for a sustainable and intelligent energy landscape. Omega: Revolutionising power grid management by: Enhancing network capacity and reducing costs. Seamlessly integrating renewable energy sources. Offering real-time responsiveness and coordinated operations. Key Tools: Omega Aware: Real-time monitoring with automated reporting. Omega OptiSys: Advanced adaptive distribution network optimisation. Omega Control: Real-time control for critical services. Unlock your power grids potential with SMPnet.
Board Member
Oct 2021
λ-automata is a seed-stage startup working on autonomous technologies for addressing national security challenges in the EU and its allies. We bring the vibrant and fast-paced culture of VC-funded startups to the EU defense industry.
Board Member
Jul 2019
LearnWorlds is a powerful, easy-to-use and reliable training solution for individuals and enterprises. A fully customizable, white-label solution to train employees and associates, educate customers, or sell online courses to a wide audience. Our cloud-based e-learning platform offers Professionals, Entrepreneurs & Training Managers a solution tailored to their specific needs and a team of experts to help achieve your goals. Much more than just selling online courses, LearnWorlds comes with a built-in Social Community, Beautiful Templates, Modular Pages Builder, Assessment Engine, Automated Certificates and Advanced Analytics for designing a holistic online learning experience. Interested in a demonstration? www.learnworlds.com/corporate-training
Board Member
Sep 2018
Netdata collects metrics per second & presents them in low-latency dashboards. Its designed to run on all physical & virtual servers, cloud deployments, Kubernetes clusters & IoT devices, to monitor systems, containers & apps. It scales nicely from a single server to thousands of servers, even in complex multi/mixed/hybrid cloud environments. Given enough disk space it can keep your metrics for years. KEY FEATURES: 💥 Collects metrics from 800+ integrations OS metrics, container metrics, VMs, hardware sensors, applications metrics, OpenMetrics exporters, StatsD, and logs 💪 Real-Time, Low-Latency, High-Resolution All metrics are collected per second & are on the dashboard immediately after data collection 😶‍🌫️ Unsupervised Anomaly Detection Trains multiple Machine-Learning models for each metric collected and detects anomalies based on the past behavior of each metric individually 🔥 Powerful Visualization Clear and precise visualization that allows you to quickly understand any dataset, but also to filter, slice and dice the data directly on the dashboard, without the need to learn any query language 🔔 Out of box Alerts Hundreds of alerts out of the box to detect common issues and pitfalls, revealing issues that can easily go unnoticed. It supports several notification methods to let you know when your attention is needed 📖 systemd Journal Logs Explorer (beta) systemd journal logs explorer, to view, filter & analyze system & apps logs by directly accessing systemd journal files on individual hosts & infrastructure-wide logs centralization servers 😎 Low Maintenance Fully automated: automated dashboards, out-of-the-box alerts, auto-detection & discovery of metrics, zero-touch ML, easy scalability & CI/CD friendly ⭐ Open & Extensible Netdata is a modular platform that can be extended in all possible ways and it also integrates nicely with other monitoring solutions
Board Member
Jul 2018
InAccel helps companies speedup their applications on the cloud or n-premise using novel accelerators-as-a-service. InAccel provides ready-to-use cloud FPGA-based accelerators for machine learning applications, big data analytics, compression, encryption and recommendation engines. InAccel offers up to 10x speedup with zero code-changes. All the hardware accelerators (IP cores) support the Amazon AWS FPGA instances (F1) and Xilinx Alveo FPGA cards.
Board Member
Nov 2017
Lenses.io is building the worlds operating system for event-driven applications on Apache Kafka. It provides the leading Developer Experience for Apache Kafka, revolutionizing the way companies build event-driven apps. With Lenses.io thousands of engineers in organizations including Daimler, Pfizer, Adidas, Generali and Schneider Electric build event-driven applications more productively. By connecting to existing data platform including any Apache Kafka, Kubernetes, Postgres & Elasticsearch, Lenses.io offers unparalleled observability into streaming applications & data. The world’s only full SQL engine for Kafka allows engineers to both troubleshoot microservices & process data with SQL, all with a first-class developer experience. Download Lenses now at: https://lenses.io/start Contact us: info@lenses.io
Board Member
Oct 2017
norbloc’s platforms enable individuals, organizations and regulators to effectively manage and securely share verified KYC/KYB data. Financial institutions, governments and licensing authorities across the globe trust norbloc technology to enhance customer onboarding, increase data security and mitigate systemic risk. Our technology powers the KYC Blockchain Platform in the UAE in collaboration with 14 banks and government institutions. This initiative was endorsed by Moody’s who cited it as credit positive for participating banks.
Investor
Jan 2015
We are TradingView, the worlds most popular charting platform and the industrys forefront for financial visualization solutions. 100M+ traders worldwide use our platform as a go-to destination to chart, chat, and trade financial markets. Our product portfolio includes best-in-class charts, versatile commercial libraries, a social network, and many more tools for retail and business audiences. With 200M+ monthly visits, we are the #1 all-things investing website, and our solutions are used by fintech leaders such as Revolut, Binance, and CME Group. We wouldnt be where we are without our tight-knit multinational team from 40+ countries, distributed globally, including across core offices in London, Malaga, and Tbilisi. To get the best, we offer relocation packages with competitive compensation and ensure a smooth onboarding through mentorship and clear career paths. Reach out to us, and let’s grow together.
Experience · 16 entries
All (16)
Investments (12)
Founder (2)
Board (10)
2026
Board Member
May 2026
NOFires mission is to shift reliability left and help engineering teams understand and operate complex systems. Built by the team behind Elastic, Mattermost Cloud and creators of urunc sandbox CNCF project. We’re a team of SREs , AI researchers, and systems engineers.
Board Member
Mar 2026
Every day, your employees make a variety of decisions, ranging from the implementation of feature A/B to architectural decisions. Due to the lack of processes or the inability to track these decisions, your company loses valuable time and resources daily. The delay in establishing clear decision-making processes not only results in financial losses but also missed market opportunities, potential loss of competitiveness, and innovation. Straion optimizes these processes in your company, reducing cost, and strengthening your companys innovative capabilities. Straion is based on established decision-making frameworks, clearly defined responsibilities, and state-of-the-art AI support. Straion is more than just a tool; its a movement towards more transparent, efficient, and inclusive decisions. Straion is set to become an indispensable solution in your organizations quest for innovation and excellence. Welcome to the future of software decision management.
2025
Board Member
Jan 2025
Teaching robots how to work in the production line with high versatility, in just a few seconds.
2023
Board Member
May 2023
Pioneering the future of energy with our advanced Omega technology. We empower utility companies to optimise power grid management, seamlessly integrate renewables, and drive efficient operations—partner with SMPnet for a sustainable and intelligent energy landscape. Omega: Revolutionising power grid management by: Enhancing network capacity and reducing costs. Seamlessly integrating renewable energy sources. Offering real-time responsiveness and coordinated operations. Key Tools: Omega Aware: Real-time monitoring with automated reporting. Omega OptiSys: Advanced adaptive distribution network optimisation. Omega Control: Real-time control for critical services. Unlock your power grids potential with SMPnet.
2021
Board Member
Oct 2021
λ-automata is a seed-stage startup working on autonomous technologies for addressing national security challenges in the EU and its allies. We bring the vibrant and fast-paced culture of VC-funded startups to the EU defense industry.
Show all 16 entries ↓
Investment activity
2013–2026 · 12 investments
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