Theofanis Karaletsos
Founder
Now Founder, Achira
Latest on AI4S.fyiFunding · Feb 21, 2025 · founderAchira · Seed · $33MAccount linked from karaletsos.com · Avatar from their X account, taken 2026-09-28
Affiliations
Current
- Founder · Achira
Also named in the companies' announcements: Meta / FAIR
Current roles come from these dated records, not from the bio below. Each links the page it was read from.
About
Theofanis Karaletsos is a co-founder of Achira, working where statistical physics, AI and biomolecular simulation meet for drug discovery. He was most recently head of AI for science at the Chan Zuckerberg Initiative, where he built its AI for science organisation around virtual cell modeling, and before that vice president of AI at Insitro, a staff research scientist at Meta and a founding member of Uber AI Labs. He co-created the Pyro probabilistic programming language.
Read on 2026-09-29; for current roles see Affiliations above. Read at: karaletsos.com ↗ · achira.ai ↗
Founded
- AchiraDrug discovery · 2023 · 1 round on record · disclosed $33M · Seed $33M
Background: Chan Zuckerberg Initiative (head of AI for science); earlier Insitro, Meta (as the company's own announcements put it)
Co-founders: John Chodera, Zavain Dar
Backed byDimension
Nothing else on the record names them yet.
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