Jillian Williams
InvestorPartner at Cowboy Ventures
New York, New York
Writes $500K – $3M checks · typically $1.8M
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You →Aileen · together at Cowboy Ventures →Jillian
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About
Raised in a fintech family and after roles at Anthemis and Cowboy Ventures, she co-founded a firm, uses deep infrastructure expertise to back technical fintechs, and co-heads BLCK VC NYC.
Invests in
ConsumerDeveloper ToolsFintechHealthtechSaaS
Investments
Investor
CapStack TechnologiesContinuum Technologies, Inc.Disclosure FactsFreight HeroKoffie FinancialPortexRallySomewhere GoodTrueLayer
Per curated public sources.
Colleagues at Cowboy Ventures
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Investors connected to Jillian in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Jillian Williams?
- Raised in a fintech family and after roles at Anthemis and Cowboy Ventures, she co-founded a firm, uses deep infrastructure expertise to back technical fintechs, and co-heads BLCK VC NYC.
- Where does Jillian Williams work?
- Jillian Williams is Partner at Cowboy Ventures.
- What does Jillian Williams invest in?
- Jillian Williams invests in Consumer, Developer Tools, Fintech, Healthtech, SaaS.
- What check size does Jillian Williams write?
- Jillian Williams typically writes checks of $500K – $3M.
- What companies has Jillian Williams invested in?
- Investments tracked here include CapStack Technologies, Continuum Technologies, Inc., Disclosure Facts, Freight Hero, Koffie Financial, Portex, Rally, Somewhere Good, TrueLayer.








