Ciro
YC S22San Francisco, US · Founded 2022 · 5 employees · Hiring · 2 known investors
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.
AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSales TechArtificial IntelligenceB2BSalesUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S22)
Ciro was founded in 2022 by Ross Geiger, Richard Lee, and David Winer.
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Ross GeigerinCo-Founder & President2022–2026Previously, he served as VP of Sales at dental software company YAPI and as an operating partner at software investment firm M33 Growth, where he focused on sales and marketing technologies. He holds a BA in Economics and East Asian Studies from Brown University.
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Richard LeeinCofounder & CEORichard Lee previously served as Chief Operating Officer at BuildZoom, a construction and remodeling marketplace, and as a consultant at Bain & Company. He holds a degree in Applied Mathematics and Economics from Brown University and was pursuing graduate studies at Stanford's Graduate School of Business.
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David Winerin𝕏Co-Founder and CTOHe previously served as a product manager for Kotlin at Google, held engineering and product roles at multiple startups, and worked as a management consultant at Bain & Company. He holds a bachelor's degree in Applied Mathematics from Brown University, a master's degree in Electrical Engineering and Computer Science from UC Berkeley, and an MBA from Stanford University.
Investors · 2
Competitors · 2
by search overlapSiro11 shared keywordsSiro provides conversation intelligence for field sales teams, converting customer interactions into scalable insights to improve coaching, learning, and performance in in-person sales roles.
Insitro7 shared keywordsinsitro is a drug discovery and development company that uses machine learning and cellular data to identify therapeutic insights and accelerate the creation of new medicines. The company serves patients and pharmaceutical development by integrating in vitro lab data with human clinical data to decode biology and unlock transformative treatments.
Companies competing with Ciro for the same Google search keywords, organic and paid, via search-intersection analysis.
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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.
- Where is Ciro headquartered?
- Ciro is headquartered in San Francisco, US.




