Marathon Venture Capital Fund III

Greece
Pre Seed
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About Marathon Venture Capital Fund III

Marathon Venture Capital Fund III is a venture capital firm based in Greece, focusing on Pre-Seed stage investments. The fund actively supports founders building innovative solutions in AI/ML, Enterprise Software, SaaS, providing strategic guidance and capital to help startups scale.

Investment Focus

Location / RegionGreece
Funding StagePre Seed
Industry Focus
Ai Ml
Enterprise Software
Saas

Investor Signals Profile

active

Sweet Spot

Pre-seed/seed AI infra founder, Greek roots or EU-based preferred

AI/ML infrastructure
AI governance + SRE
seed-stage
Greek ecosystem
enterprise + biotech

Bullish Signals

Pitchbook Top 10 Europe 2025 rankingwebsite
NoFire AI: AI SRE for generated codewebsite
Straion: governance layer AI-driven softwarewebsite
Pallma AI $1.6m: AI agent security platformwebsite
Full legal docs + compensation report publicwebsite
Active events Sep 2026: SF, London, Athenswebsite
Dual term sheets: US + Greecewebsite

Contrarian Signals

Heavy Greek ecosystem tilt — limits deal flowexternal
Seed-only focus — no Series A follow-onexternal

Founder Do's

Lead with strong vision
Target enterprise customers
Build AI-native solutions
Engage Greek tech community
Request transparency upfront

Founder Don'ts

Don't skip cap table prep
Don't ignore Greek ecosystem angle
Don't approach post-seed

Key GPs & Partners

PP
Panos Papadopoulos
Partner
thought leaderAI-focusedprolific writer
AA
Alex Alexakis
Partner
active writerecosystem buildersecurity expert

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Fund Overview

Fund Size€75M
Saves0

Key People

George Tziralis, Anos Apadopoulos, Alex Alexakis

Panos PapadopoulosPartner
Alex AlexakisPartner

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