
Citadel Discovery simplifies early-stage therapeutic discovery by combining experimental data generation with AI to identify drug candidates and diagnostic markers. The company operates an integrated AI platform that leverages DNA-encoded libraries, computational screening methods, and curated biological datasets to map disease-related proteins and predict active compounds. It pairs data-sharing infrastructure and high-value assay generation with upstream integrations such as rapid chemical synthesis, supply-chain logistics, and partner validation workflows. Citadel serves industry and academic researchers across drug discovery, diagnostics, and precision medicine by aggregating and standardizing datasets to accelerate target identification and lead optimization.

Citadel Discovery simplifies early-stage therapeutic discovery by combining experimental data generation with AI to identify drug candidates and diagnostic markers. The company operates an integrated AI platform that leverages DNA-encoded libraries, computational screening methods, and curated biological datasets to map disease-related proteins and predict active compounds. It pairs data-sharing infrastructure and high-value assay generation with upstream integrations such as rapid chemical synthesis, supply-chain logistics, and partner validation workflows. Citadel serves industry and academic researchers across drug discovery, diagnostics, and precision medicine by aggregating and standardizing datasets to accelerate target identification and lead optimization.
What they do: Scalable data‑generation and model‑validation platform to enable AI/ML in drug discovery (including DNA‑Encoded Library data).
Headquarters: Cambridge, Massachusetts, United States
Founders: Eric Sigel (CEO) and Rohit Mahajan (President)
Corporate form: Public benefit corporation (PBC)
Founded: 2021 (launched Nov 2021 per company profile)
Investor / support: PharmStars (non‑equity assistance / accelerator participation)
Drug discovery, diagnostics, and precision medicine
2021
Biotechnology
Listed as non‑equity assistance / accelerator participation; amount not disclosed.
“Associated with PharmStars (non‑equity assistance / accelerator participation)”