Fundraising Fox

Marathon Venture Capital

Venture capital

Athens · Seed–Series B · 4 people tracked

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Investment thesis

Marathon partners with founders on seed rounds, offering founder-friendly terms and pro-rata follow-on rights through Series A and Series B. Beyond capital, the firm provides comprehensive support across recruitment, legal/compliance setup, product and go-to-market strategy, and access to a network of talent, executives, advisors, customers, and investors. The firm emphasizes building enduring, transparent relationships with founders throughout their journey.

Source: firm website, verified Jul 21, 2026.

Stage
Seed–Series B
HQ
Athens, GR
Leads rounds
Leads
Instruments
Equity
Tracked investments
30

Team · 4 people

from the firm's website
Alex Alexakis· Partner

Alex worked as a product manager at rapidly growing startups and is the author of Startup Pirate.

George Tziralis· Partnerin𝕏

George helped establish a startup ecosystem from the ground up and is an enthusiast of distance running.

Panos Papadopoulos· Partner

Panos transitioned from software engineering to founding, and then to investing, with expertise in both technical and pitch-focused aspects of startups.

Sofia Tsapara· VP, Finance

Sofia is an experienced finance executive who oversees Finance, Operations, and Compliance functions at Marathon.

What they invest in

from 2 of 30 portfolio companies

Enterprise Software ×2AI & Machine Learning ×1Data & Infrastructure ×1Developer Tools ×1HR Tech ×1SaaS ×1

HQs:United States×1

Investments · 30 tracked

founders shown can be your intro path
Ariadne Maps
Ashbyashbyhq.comin𝕏

Ashby is a recruiting software platform that serves as an applicant tracking system (ATS) and all-in-one hiring management tool for talent teams. The platform provides recruiting operations, candidate pipeline management, hiring workflows, analytics, integrations, and features for managing the end-to-end hiring process.

Enterprise SoftwareHR TechSaaSSan Francisco, US

Benjamin Encz(Founder)inAbhik Pramanik(Co-Founder & VP of Engineering)in

Augmenta
Bota Systems
Causaly

AI platform that creates causal models to help researchers and decision makers extract evidence and insights from vast amounts of documents, starting in biomedicine.

Causalycausaly.comin
Centaur Analytics
Code BGP
Connectly
Cube RM
Dataform Lab
Delian Alliance Industries
EBRDebrdvcip.comin
Hack The Box
ICONIQ Growthiconiqcapital.comin𝕏

Iconiq Capital is a global investment firm managing over $100B in assets that invests in visionaries and companies transforming industries, while also managing client wealth and legacies.

Sector Agnostic

InAccel
Index Venturesindexventures.com
LearnWorlds
Lenseslenses.ioin

Lenses builds software that simplifies management and access to streaming data across hybrid infrastructure, enabling development teams to work independently without central bottlenecks. The platform unifies the developer experience across different streaming technologies like Apache Kafka, helping organizations build real-time services.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise Software

Guillaume Aymé(CEO)Andrew Stevenson(CTO)

Netdata
NoFire AI

An AI SRE that ensures systems are running in the age of AI-generated code

Norbloc
Pallma AI

An AI-native security platform to help enterprises safely use autonomous agents

PolyModels Hub

Helping the largest pharmaceutical companies deliver breakthrough therapies faster

Progressive Robotics
SMPnet
Straion

The governance layer for the AI-driven future of software

Velos Rotors
Verno Labs

Frequently asked questions

What stage does Marathon Venture Capital invest at?
Marathon Venture Capital invests at the Seed, Series A, Series B stages.
What sectors does Marathon Venture Capital focus on?
Marathon Venture Capital focuses on AI & Machine Learning, Biotech, Cybersecurity, Sector Agnostic.
Where is Marathon Venture Capital located?
Marathon Venture Capital is headquartered in Athens, GR.
Does Marathon Venture Capital lead rounds?
Yes, Marathon Venture Capital leads investment rounds.

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