Slack Family Capital
Venture capitalSeattle
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Fund manager profile
Slack Family Capital is a venture fund manager based in Seattle. SEC filings show 2 venture funds on record, most recently Slack Family Capital III, LP ($155K offering) filed March 2024.
Source: SEC EDGAR Form D filings. Firm website data not yet available.
What they invest in
from 1 of 1 portfolio companiesDeveloper Tools ×1Enterprise Software ×1
HQs:United States×1
Investments · 1 tracked
founders shown can be your intro pathOptic generates OpenAPI specifications from test traffic and maintains their accuracy through automated schema testing and patch application.
Developer ToolsEnterprise SoftwareNew York City, US
Aidan Cunniffe(CEO)inAndrey Doronichev(Founder)Roman Doronin(Founder)Vlad Vinogradov(Founder)Nicholas Lim(Senior Engineer)Dev Doshi
Co-investorsboldstart venturesKindred VenturesY CombinatorZag Capital20VCACE & Company+7 more
Frequently asked questions
- Where is Slack Family Capital located?
- Slack Family Capital is headquartered in Seattle, US.





