Ciro
YC S22San Francisco, US · Founded 2022 · 5 employees · Hiring · 4 known investors
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Ciro is an AI-powered go-to-market platform that automates the research, list building, and outreach process for B2B sales and marketing teams. The platform uses natural language prompts to generate enriched prospect lists and personalized email sequences without generic templates.
Also known as Ciro Technologies, Inc.
Founders & leadership· Y Combinator alumni (S22)
Ciro was founded in 2022 by Ross Geiger, Richard Lee, and David Winer.



Investors · 4
How we know: CRV (Charles River Ventures)'s portfolio page · a partner's Signal profile · ciro.io · Y Combinator's founder network · Not right? Tell us
How we know: the Y Combinator directory · ciro.io · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: ciro.io · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
Related companies · 7
Companies working in the same space as Ciro.
Legal entities · 1
corporate structureIn the news
Frequently asked questions
- What does Ciro do?
- Ciro is an AI-powered go-to-market platform that automates the research, list building, and outreach process for B2B sales and marketing teams. The platform uses natural language prompts to generate enriched prospect lists and personalized email sequences without generic templates.
- Who founded Ciro?
- Ciro was founded by Ross Geiger, Richard Lee, David Winer in 2022.
- Who are Ciro's investors?
- Ciro's investors include CRV (Charles River Ventures), Y Combinator, SV Angel, Venture Investment Associates.
- Where is Ciro headquartered?
- Ciro is headquartered in San Francisco, US.










