Angel Investor Co-Investment Etiquette: Unwritten Rules You Need to Know
The unwritten rules of co-investing with other angels. Deal sharing, attribution, follow-on coordination, and how to build a reputation.
Written by Sahin Boydas — serial entrepreneur, 2x exited founder, and angel investor in 207+ startups including OpenAI, Anthropic, Scale AI, and Hugging Face. Ranked #1 most active angel investor in 2024 by Crunchbase.
This article is part of my ongoing series on angel investing, based on real experience from building a portfolio of 207+ investments across AI, fintech, robotics, developer tools, and more.
For more insights on startup investing, visit my blog or follow me on Twitter.