Angel Investments
#1 Most Active Angel Investor in 2024
Browse all 234 companies at sahin.io/angel-investments
Notable Portfolio Companies
OpenAI
$500B
AI
Anthropic
$190B
AI
Scale AI
$29B
AI
Hugging Face
$7B
AI
Postman
$5.6B
Developer Tools
WHOOP
$3.6B
Consumer
Front
$1.7B
B2B SaaS
Eight Sleep
$1B
Consumer
Pika
$470M
AI
Mercury
$3.5B
Fintech
Artisan AI
$250M
AI
Brainbase
$150M
AI
All Investments
OpenAI
$500BAI
Anthropic
$190BAI
Scale AI
$29BAI
Hugging Face
$7BAI
Postman
$5.6BDeveloper Tools
WHOOP
$3.6BConsumer
Front
$1.7BB2B SaaS
Eight Sleep
$1BConsumer
Pika
$470MAI
Mercury
$3.5BFintech
Artisan AI
$250MAI
Brainbase
$150MAI
Investment Philosophy
Sahin's investment approach is shaped by his experience as a four-time founder. Having built companies from zero to acquisition, he understands the challenges founders face at every stage — from initial product development through scaling and exit. This founder-first perspective allows him to evaluate startups not just on metrics but on the quality of the team and their ability to execute under pressure.
His portfolio is heavily weighted toward AI and machine learning companies, reflecting his conviction that artificial intelligence represents the most transformative technology shift since the internet. Investments in Anthropic, OpenAI, Scale AI, Hugging Face, and Pika demonstrate a thesis centered on the foundational infrastructure and applications of AI.
Beyond AI, Sahin invests in B2B SaaS, developer tools, consumer health, and fintech. Companies like Postman (API development), Front (customer communication), WHOOP (fitness wearables), and Eight Sleep (sleep technology) reflect his interest in products that fundamentally improve how people work, communicate, and live.
As an angel investor, Sahin typically invests at the seed and pre-seed stages, where his operational experience is most valuable to founders. He actively supports portfolio companies through introductions, strategic advice, and follow-on investments. His approach is high-volume and conviction-driven — he evaluates hundreds of opportunities annually and moves quickly when he identifies a strong fit.
Featured Recognition
Lenny Rachitsky
#1 Business Newsletter on Substack • 700k+ subscribers
“Sahin is the most surprising person on this list to me because (1) I hadn't heard of him, (2) his list of investments is incredible, and (3) as you'll see below, he was the #1 most active angel investor in 2024.”
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