UW Bioengineering · Sep 2025
Profiles Georgia Witchel and Louiza Labs; says the company raised more than $5M total and is developing simulated FDA trials and autonomous surgical robotics.
Company research
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Overview
Louiza Labs is a San Francisco-based startup building AI-driven synthetic biomedical data and simulation tools, with open-source products spanning networking, Farcaster, data services, and trading/DEX tooling. Public descriptions emphasize simulated human biology, synthetic patients, and physics-driven engines for medical device testing and autonomous surgical robotics.
Primary product
Physics-driven AI/simulation platform for synthetic human biology and synthetic medical datasets (virtual patients) used for medical device testing and autonomous surgical robotics.
Founded
2024
Headquarters
San Francisco, California, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
Synthetic Data Software / AI, Data & Cloud Infrastructure
Offices
San Francisco, California, United States
576 Eureka St, San Francisco, California 94114, US
Business model
B2B
Data as a Service
Services & Consulting
Funding
Stage
Seed / Pre-seed
Total raised
$6.3M
Latest round
Seed · Jan 2026
Latest amount
$5M
Sep 2025 · Y Combinator
Sep 2025
People & investors
Leadership
Co-Founder and CEO
Co-Founder / CTO
Cynthia Sainz
Founding Engineer - Healthtech
Work & culture
Public materials describe a builder-focused, open-source culture centered on solving real-world problems and making things easier, with a strong emphasis on practical product shipping.
Compensation
No public compensation or benefits information was found in the supplied evidence.
Product & market
Pricing
Not publicly disclosed.
Differentiators
- —Physics-driven simulation of human biology and anatomy
- —Synthetic human patients / multi-organ digital twins
- —Targets FDA trial simulation and autonomous surgical robotics
- —Open-source product orientation
- —Uses simulation to reduce reliance on animals, cadavers, and scarce real-world medical data
Technology
TypeScript
JavaScript
CSS
FastAPI
Playwright
Redis
Model Context Protocol (MCP)
AI
NLP
Customers
Biopharma teams
Medical device companies
Surgical robotics teams
Researchers building biomedical AI systems
Pharmaceutical teams
Competitors
Mantis
Theora
Louisa AI
general synthetic data / medical simulation platforms
Scale & contact
Estimated revenue
$100K-$1M ARR (third-party estimate; one source reports $440K estimated ARR in 2025)
Latest news
Y Combinator on LinkedIn · Aug 2025
YC highlights Louiza Labs' simulation of human biology for synthetic patients and medical-device testing.
Larissa Tyagi on LinkedIn · Aug 2025
Larissa Tyagi describes Louiza Labs as a physics-driven simulation engine for human biology and mentions the co-founding team.
Larissa Tyagi on LinkedIn · Jun 2025
Larissa describes Louiza's simulation engine recreating edge cases on demand with over 300 tunable parameters.
Georgia Witchel on LinkedIn · Jun 2025
Georgia describes Louiza Labs' ultra-high-fidelity simulated patients as a safer, faster, and cheaper alternative to animal testing.
Jobs and careers at Louiza Labs
0 jobs at Louiza Labs
No open positions
Check back later for new openings