Substack
Content CreatorsSan Francisco, California, United StatesSeries C$200.2M total fundingwww.substack.com
Latest funding:$100.0M · Series C (July 17, 2025)
Angel investors who backed Substack
8 investors in our database backed Substack.
Alexander Mittal
Co-Founder and CEO
Andrew Chen
General Partner
Andreessen Horowitz
Justin Waldron
founder, product
Open Game Protocol
Manan P.
Co-founder & CTO
Uber
Emmett Shear
Visiting Group Partner
Kenji Niwa
Co-founder and CEO
Firstcard
Ronak Banka
AI Business Development - Nvidia
Dell Technologies
kai elmer sotto
Co-Founder
Open Government Products
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