Fondo · Feb 2026
Launch recap describing the product, founder background, and early traction claims.
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Mesmer is a YC-backed AI chief of staff for engineering/product development teams. It connects to code, tickets, specs, designs, meetings, and team conversations to surface bottlenecks, report what shipped, and recommend fixes so founders and CTOs can run faster, flatter engineering orgs.
Primary product
AI chief of staff / operating system for engineering teams
Founded
2025
Headquarters
San Francisco, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
AI-powered engineering productivity / developer productivity
Offices
San Francisco, United States
Dover, Delaware, United States
Business model
B2B SaaS
Sales-led demo-based software
Enterprise software
Funding
People & investors
Leadership
Co-Founder & CEO
Co-Founder & CTO
Co-Founder & VP of Engineering
Chief of Staff
Carlos Eugenio Sánchez Rabiella
Founding GTM
Work & culture
Public-facing messaging emphasizes fast, flat, focused engineering orgs, fewer meetings, actionable feedback from real work data, security-conscious deployment, and practical fixes shipped into the workflow.
Product & market
Pricing
Custom / sales-led demo pricing
Differentiators
- —AI chief of staff for CTOs and product-development leaders
- —Analyzes real work signals, not just metadata
- —Combines reporting with recommendations and workflow fixes
- —Read-only integrations plus private-network deployment option
- —No data retention after processing
- —Client data not used to train Mesmer or underlying LLMs
- —SOC 2 Type II, encryption, SSO, SCIM, and RBAC claims
Technology
GitHub
GitLab
Bitbucket
Jira
Linear
Slack
Figma
Notion
Datadog
SSO
SCIM
RBAC
Customers
Founders and CTOs of engineering/product development orgs
Engineering teams with 20+ engineers
Rohlik Group
Competitors
LinearB
Jellyfish
Swarmia
Waydev
Haystack
Sleuth
Pluralsight Flow
Code Climate Velocity
Scale & contact
Estimated revenue
~$330K estimated annual revenue / ARR (public estimate)
Estimated monthly visits
10.1K
Traffic estimate as of May 2026
Latest news
Nordic9 · Jun 2025
Funding tracker entry reporting a pre-seed raise of about $500K and naming Pioneer Fund, Rebel Fund, KAYA VC, and angels.
LinkedIn · May 2025
Angel investor Taro Fukuyama publicly announced his investment and described the product's positioning and customer value.
LinkedIn · May 2025
Official company launch post summarizing the product, YC batch, and early traction.
Y Combinator · May 2025
Official YC launch describing Mesmer as a cursor for CTOs / AI chief of staff for engineering teams, including claims about live customers, code reviewed, and product scope.
Jobs and careers at Mesmer
0 jobs at Mesmer
No open positions
Check back later for new openings