Profile banner
Augustin Sayer

Augustin Sayer

General Partner at OVNI Capital and Deeptech Seed Investor

augustin
Paris, France
Joined January 2026
Favicon imagefromzerotodeep.com
Favicon imagemedium.com
Favicon imagetwitter.com
Favicon imagefr.linkedin.com
Favicon imageovni.capital

Network

32.2K connections
🛸
OVNI Capital Network
🚀
Startup Founders
📈
Investment Professionals
📊
Financial Operations
💳
...
💡
...
💰
Newfund Investors

Summary

Augustin Sayer is a dedicated deep tech venture capitalist and evangelist. As a co-founder and General Partner at OVNI Capital, he focuses on early-stage, European deep tech startups with global ambitions, driven by the belief that Europe can produce world-changing companies. He actively writes and publishes on topics related to venture capital, deep tech innovation, and startup strategies, sharing insights from his experience. fromzerotodeep+4
Sayer has a strong entrepreneurial background, having co-founded and served as CEO of Rescata, Inc., a mobile refurbishing company in Mexico. This hands-on experience as a founder deeply informs his investment philosophy, where he prioritizes "Founder Market Fit" and emphasizes the importance of a clean cap table and surrounding oneself with diverse talent. unicorn-nest+2
His investment thesis, particularly articulated during his tenure at Newfund, stresses that French startups must be "global by default at birth" to achieve unicorn status. He advises founders to focus on short-term planning in dynamic environments and to be prepared for intense, 24/7 dedication to their ventures. foundersnetwork+1
Sayer has a comprehensive finance background, starting in M&A at Lazard Frères, moving into private equity at Colony Capital and Lomas Capital, and then transitioning into venture capital with Newfund and ultimately co-founding OVNI Capital. His diverse experience across different stages and types of investment vehicles showcases a broad understanding of financial markets. unicorn-nest

Work

Education

Writing

Demystifying Startup Term Sheets for Founders

March 1, 2025

Article on Medium explaining legal jargon in term sheets for startup founders.

Favicon imagemedium.com

Why startups should think of VCs as customers

November 26, 2024

Article on Medium advising startups to view venture capitalists as customers and focus on their needs.

Favicon imagemedium.com

Stop half-measuring: why day-one U.S. presence is your only shot at building a global winner

November 18, 2024

Article on Medium advocating for immediate U.S. presence for startups aiming for global success.

Favicon imagemedium.com

The psychology of missing out: Why your sold stocks always seem to soar

November 15, 2024

Article on Medium discussing the psychological phenomenon of FOMO in stock trading.

Favicon imagemedium.com

From Zero to Deep

A book exploring innovation frameworks from SpaceX, Moderna, Tesla, and fusion energy pioneers, emphasizing funding models, timelines, and approaches for breakthrough innovations in deep tech.

Favicon imagefromzerotodeep.com

Notes

HDHeidy Daumassaid
ASAugustin Sayer
is one of the most insightful early-stage deeptech investors they've worked with.

Mar 2, 2026

HDHeidy Daumassaid they've seen
ASAugustin Sayer
demonstrate truly deep understanding of business models and use cases similar to those of leading web3, blockchain, or fintech startups.

Feb 10, 2026

TRThomas Renaudinsaid
ASAugustin Sayer
is one of the VCs they'd trust most to deeply understand and support complex deeptech startups.

Dec 30, 2025