Marathon Venture Capital Fund III

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 or deep tech founder, Greek ecosystem

AI/ML

seed & pre-seed

Greek tech

enterprise software

biopharma

Bullish Signals

Active deals: AI security, biopharma, governanceexternal

Events in 11 countries, strong networkexternal

Full legal docs shared publicly — founder-friendlyexternal

Recent $9m biopharma round closedexternal

Pallma AI $1.6m pre-seed — Jan 2026external

Active events: Athens, Boston, NYC — 2026external

US + GR term sheets public — dual marketwebsite

Dev & Cyber event Athens — May 2026website

Contrarian Signals

Heavy Greek focus — niche deal flowexternal

Seed only — no follow-on clarityexternal

Founder Do's

Lead with strong vision

Target enterprise customers

Build in AI-native space

Engage Greek tech community

Expect full terms upfront

Founder Don'ts

Don't skip transparent cap table prep

Don't ignore Greek ecosystem angle

Don't come post-seed

Key GPs & Partners

Panos Papadopoulos

Partner

thought leaderAI-focusedcontent creator

Alex Alexakis

Partner

active writerecosystem builderbiopharma interest

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Fund Overview

Fund Size€75M

Saves0

Website

Key People

George Tziralis, Anos Apadopoulos, Alex Alexakis

Panos PapadopoulosPartner

Alex AlexakisPartner