Fondo · Feb 2026
Launch recap describing the product, founder background, and early traction claims.
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
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
0 jobs at Mesmer
Check back later for new openings
Business model
Leadership
Co-Founder & CEO
Co-Founder & CTO
Co-Founder & VP of Engineering
Chief of Staff
Carlos Eugenio Sánchez Rabiella
Founding GTM
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.
Pricing
Custom / sales-led demo pricing
Differentiators
Technology
Customers
Competitors
Estimated revenue
~$330K estimated annual revenue / ARR (public estimate)
Estimated monthly visits
10.1K
Traffic estimate as of May 2026
Fondo · Feb 2026
Launch recap describing the product, founder background, and early traction claims.
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.