Mesmer
YC X25San Francisco, US · Founded 2025 · 7 employees · Hiring · 19 known investors
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Mesmer builds an operating system for engineering teams that uses AI and ground-truth data from code and tickets to provide visibility into engineering work and automate management tasks. The product serves engineering leaders and CTOs seeking to understand organizational productivity, identify bottlenecks, and capture AI-related productivity gains.
Also known as Mesmer Labs, Inc.
Founders & leadership· Y Combinator alumni (X25)
Mesmer was founded in 2025 by João de Paula, Sergio Oliveira Bergmann, and Lucas Silva.



Investors · 19
How we know: Y Combinator's founder network · gaingels.com · Not right? Tell us
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How we know: KAYA's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
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Funding
SEC filings, press & company announcements$15M disclosed across 1 of 2 rounds · 2019
Source: company announcements and press reports — follow each round's link for the claim.
Related companies · 8
Companies working in the same space as Mesmer.
Legal entities · 1
corporate structureIn the news
Frequently asked questions
- What does Mesmer do?
- Mesmer builds an operating system for engineering teams that uses AI and ground-truth data from code and tickets to provide visibility into engineering work and automate management tasks. The product serves engineering leaders and CTOs seeking to understand organizational productivity, identify bottlenecks, and capture AI-related productivity gains.
- Who founded Mesmer?
- Mesmer was founded by João de Paula, Sergio Oliveira Bergmann, Lucas Silva in 2025.
- Who are Mesmer's investors?
- Mesmer's investors include Gaingels, Imagination Capital, KAYA, Maiora Rebel Ventures, Pioneer, Rebel Fund, Y Combinator, 468 Capital and 11 more.
- How much funding has Mesmer raised?
- Mesmer has disclosed $15M raised across 1 of its 2 known rounds.
- Where is Mesmer headquartered?
- Mesmer is headquartered in San Francisco, US.

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