Panagiotis Papadopoulos
Partner @ Marathon Venture Capital
San Francisco, United States
Panagiotis Papadopoulos is a seed investor at Marathon Venture Capital in San Francisco focused on Software and Information Technology. Panos is a technology and product focused entrepreneur who loves to build things solve real problems. He is also an active investor & advisor in startups in USA, UK and Greece in the fields of Mobile, IoT, Identity and FinTech.
- Total investments:
- 31
- Last investment:
- Lead investor:
- 35%
Last updated:
For AI agents: llms.txt
Industries Panagiotis Papadopoulos invests in
Stages Panagiotis Papadopoulos invests in
Countries Panagiotis Papadopoulos invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $700k–$4M
- Pre-Seed
- $120k–$2.2M
- Series A
- $3M–$21M
Investment Focus
Industry
- Software 8 (26%)
- Information Technology 8 (26%)
- Mobile 4 (13%)
- Internet of Things 4 (13%)
- SaaS 3 (10%)
Stage
- Seed 18 (58%)
- Series A 5 (16%)
- Pre-Seed 4 (13%)
- Funding Round 1 (3%)
- Convertible Note 1 (3%)
Country
- United States 14 (45%)
- Greece 5 (16%)
- United Kingdom 4 (13%)
- Cyprus 1 (3%)
- Sweden 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Delian Alliance Industries
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Lambda Automata builds autonomous systems tailored for addressing national security challenges in the EU and its allies. | $14M / Series A / Jul 29, 2025 | |
Progressive Robotics
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Progressive Robotics is a deep-tech university spin-off that has developed a patent-pending solution to easily teach robots how to perform packing and palletizing tasks in the manufacturing industry with AI, in just a few seconds. Based on our research on robotics and deep learning, we are bridging the best of two worlds to make robots smarter forthe entire manufacturing industry, including SMEs. | $1.6M / Seed / Jan 15, 2025 | |
Finster AI
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Finster AI offers AI agents that can read, analyse and integrate disparate sources of financial and market data. | $1.8M / Pre-Seed / Dec 31, 2023 | |
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Delian Alliance Industries
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Lambda Automata builds autonomous systems tailored for addressing national security challenges in the EU and its allies. | $6.3M / Seed / Oct 18, 2023 | |
SMPnet
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A real-time optimisation and control technology to accelerate the energy transition | $1.4M / Seed / May 02, 2023 | |
|
Delian Alliance Industries
|
Lambda Automata builds autonomous systems tailored for addressing national security challenges in the EU and its allies. | Seed / Oct 04, 2022 | |
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Delian Alliance Industries
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Lambda Automata builds autonomous systems tailored for addressing national security challenges in the EU and its allies. | $1.1M / Pre-Seed / Oct 04, 2022 | |
Pandas
|
We are Pandas, and our mission is to give consumers the most value out of their smartphones with zero hassle by empowering them to sell/trade them in the fastest, safest, and easiest way possible. 1Bn (with a B!) smartphones stop being used yearly after you upgrade to the latest and greatest. But there is a solution as simple as trading themin and getting paid while participating in the circular economy. So, why aren’t people selling their old phones, we wondered? This is where Pandas comes in. Inspired by humans and powered by tech, we ensure that the frustrating experience of trading in your smartphone becomes fast, simple, and fun. Our patented A.I. technology in the Panda Flex allows us to identify any smartphone and evaluate its condition, from the smallest nick to serious technical issues, with unprecedented accuracy. | $2.2M / Pre-Seed / Jun 01, 2020 | |
Netdata
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Monitor your servers, containers, and applications, in high-resolution and in real-time.Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems,containers, and applications.It scales nicely from just a single server to thousands of servers, even in complex multi/mixed/hybrid cloud environments, and given enough disk space it can keep your metrics for years.KEY FEATURES: Collects metrics from 800+ integrations Operating system metrics, container metrics, virtual machines, hardware sensors, applications metrics, OpenMetrics exporters, StatsD, and logs.Real-Time, Low-Latency, High-Resolution All metrics are collected per second and are on the dashboard immediately after data collection. Netdata is designed to be fast.Unsupervised Anomaly Detection Trains multiple Machine-Learning (ML) 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 Comes with 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, in the nightly release channel) Provides a systemd journal logs explorer, to view, filter and analyze system and applications logs by directly accessing systemd journal files on individual hosts and infrastructure-wide logs centralization servers.Low Maintenance Fully automated in every aspect: automated dashboards, out-of-the-box alerts, auto-detection and auto-discovery of metrics, zero-touch machine-learning, easy scalability and high availability, and CI/CD friendly.Open and Extensible Netdata is a modular platform that can be extended in all possible ways and it also integrates nicely with other monitoring solutions. | $17M / Series A / Sep 25, 2019 | |
LearnWorlds
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LearnWorlds provides more than 1000 organizations and entrepreneurs in over 70 countries with all the tools needed to author, sell and market online courses. | $1.1M / Seed / Jul 23, 2019 | |
| See all 31 investments → | |||
Co-Investors
About Marathon Venture Capital
Marathon Venture Capital is an early-stage venture capital fund on a mission to help the most ambitious European founders build world-class technology companies. It caters to those who are willing to go after the seemingly impossible. Those who persevere in the face of adversity. The ones who will ultimately get to redefine entire industries.
Marathon Venture Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Alex Alexakis
Analyst
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George Tziralis
Partner
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Panagiotis Papadopoulos
Partner
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FAQ
What does Panagiotis Papadopoulos invest in?
Panagiotis Papadopoulos invests primarily in Software, Information Technology and Mobile startups, most often at Seed and Series A stage. Most of the 31 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Panagiotis Papadopoulos's check size?
Panagiotis Papadopoulos typically joins rounds of $700k–$4M at Seed, $120k–$2.2M at Pre-Seed and $3M–$21M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Panagiotis Papadopoulos participates in.
How do I contact Panagiotis Papadopoulos?
Public channels for Panagiotis Papadopoulos include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Panagiotis Papadopoulos last invest?
The most recent investment recorded for Panagiotis Papadopoulos closed in Jul 2025. Shizune tracks 31 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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