
Osseus
The frontier data platform for aligned health and biological AI
About Osseus
In an era of cheap intelligence, the most important application of AI will be to improving human health, globally. Osseus is building the frontier medical AI lab, starting with the clinical datasets, evaluations, and reinforcement learning environments that help AI labs train more capable, aligned, and safe models.
Founders

Anish Mariathasan
Founder
Co-Founder at Osseus (YC S26). Prev. co-founded a compliance AI startup. ML research at a Harvard-HKU joint lab on computer vision for cancer research. MEng in Biomedical Engineering from Imperial College London, dropped Oxford PhD in AI for Health.

Ayush Patel
Founder
Co-Founder at Osseus (YC S26). 2x intern at Apple, where he built an agentic QA system. MEng in Computer Science from Imperial College London.