VC
Greece
Last Deal Nov 2025

Big Pi Ventures

Check Size
€500K – €5M
Outreach
Apply via Form

Investment Focus

Geographic Focus

Europe
Greece

Investment Thesis

Greece's largest multi-stage tech investment platform with ~€250M AUM. Backs founders with Greek ties building proprietary deep tech through seed and its Growth Fund I (targeting €200M). Founded 2018.

How to Pitch Big Pi Ventures

Apply Through Their Form

Who To Contact

Alex Eleftheriadis
Partner
video compression
AI
digital marketing
LinkedIn
Aristos Doxiadis
Partner Emeritus
private equity
venture capital
technology
LinkedIn
Source

Recent Deals

Auto-extracted from press releases.

Portfolio Highlights

Big Pi Ventures
Big Pi Growth
Acumino
General Robotic Intelligence
TileDB
August Robotics
Physical AI

Team

Auto-detected from Big Pi Ventures's website.

Alex Eleftheriadis
Partner

Co-founder of Vidyo (acquired by Enghouse); former Columbia University professor with 150+ patents in video coding.

video compression
AI
digital marketing
Checked Sept 2026
Aristos Doxiadis
Partner Emeritus

Pioneer of Greek VC/PE; founding partner of Big Pi's first fund; 2023 lifetime achievement award recipient.

private equity
venture capital
technology
Checked Sept 2026
Despoina Argyrou
Investment Manager

Former Apeiron Venture Capital investment team member with fintech experience at Plum and Teya.

Checked Sept 2026
Fanis Tsarouchis
Senior Principal

15+ years investment banking and corporate finance experience; former FlexCar Group CFO with TMT focus.

TMT
M&A
growth capital
Checked Sept 2026
Guy Krief
Partner

Co-founder of Persado ($100m ARR AI company) and Bryq; former Upstream CEO with multiple AI patents.

AI
marketing
HR tech
Checked Sept 2026
Leonidas Yfantis
Investment Manager

Former Ionian Capital VP with M&A advisory experience across technology, industrials, and food sectors.

technology
industrials
food
Checked Sept 2026
Marco Veremis
Partner

Co-founder and former CEO of Upstream ($230m revenue); early investor in Workable, Hellas Direct, and Softomotive.

technology
AI
Checked Sept 2026
Melina Mai
Principal

Former McKinsey consultant focused on strategy and operations across energy, banking, insurance, and telecom.

Checked Sept 2026
Nick Kalliagkopoulos
Partner

Former Prime Ventures partner with €1B AUM experience leading European tech investments from €5-€30M.

European technology
venture capital
growth equity
Checked Sept 2026
Panos Metsis
Partner

25+ years TMT deal-making experience with $100bn+ completed transactions across M&A, IPOs, and growth capital.

TMT
technology
media
telecoms
Checked Sept 2026
Patrick Amiel
Venture Partner

Co-founder of 321 corporate venture studio; co-founded MyBestPro (260 employees, acquired by Vivendi 2017).

technology
digital marketplaces
Checked Sept 2026
Vassilis Tziokas
Venture Partner

Head of Ecosystem at Matter Labs (ZKsync); former Microsoft leader; angel investor in crypto and AI startups.

crypto
AI
blockchain
Checked Sept 2026

Focus and check size from the firm's website. Website reachable as of Sept 2026.

Ready to Reach Big Pi Ventures?

A fit check scores your pitch against their thesis, stage and ticket. An email draft uses their real deals and thesis, not a template.