causal-inference
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Aetion makes health data answer for itself
A prescription is a record. Proof is another matter. Now part of Datavant, Aetion has built a business around the difficult journey from what happened to what a treatment actually did.
The Ad Platforms Grade Their Own Homework. Haus Built a $44 Million Red Pen
Marketers have spent years mistaking clicks for causes. Haus asks them to switch off the ads, hold out a few regions and discover which part of the budget was doing real work.
The Retail World Runs on Guesses. MarketDial Sells Proof.
A pair of Salt Lake City founders - one ex-VC, one ex-McKinsey - built software that lets chains like Kum & Go, Dick's, and Woolworths test a store idea in a few dozen locations before betting the whole business on it. Then they took the incumbent to court.
JustAI
JustAI (formerly Just Words, legally Choice AI Inc.) is a San Francisco AI-native marketing platform that turns lifecycle content into an always-on experimentation engine. Its AI agents - strategy, creative, decisioning and data - predict high-value moments, generate on-brand message variants across email, SMS and push, test them against real users, and shift traffic to the winners while compounding learnings across campaigns. Founded in 2024 by Neha Mittal (ex-Twitter and Pinterest growth lead) and Jeff Hara, the company graduated from Y Combinator's Winter 2024 batch and works with consumer brands including Grammarly, ClickUp, Notion, Lemonade, Coursera and Thumbtack.
Pasteur Labs & ISI
Pasteur Labs & ISI is a New York-based public-benefit deep-tech company building 'Simulation Intelligence' - the systematic merger of AI, physics simulation, and scientific computing. Its AI-native, GPU-accelerated, end-to-end differentiable physics platform gives engineers and scientists an in-silico playground to run thousands of what-if scenarios and shrink the gap between digital models and physical reality. Founded in 2021 by AI researcher Alexander Lavin and staffed by veterans of DeepMind, NASA, CERN, Tesla, Nvidia and Ansys, the company targets industrial R&D, energy, climate, and space & defense, and stewards the open-source Tesseract framework for differentiable scientific computing.