Joshua Meier
Co-founder and CEO of Chai Discovery, which builds AI models for designing molecules and antibodies
- Co-founder and CEO, Chai Discovery1
Joshua Meier is a co-founder and the CEO of Chai Discovery, a company that builds AI models for designing molecules, including the open Chai-1 structure prediction model and the Chai-2 antibody design model. Meier founded Chai Discovery in 2024 with Jack Dent, Matthew McPartlon and Jacques Boitreaud.134
Chai Discovery
Meier co-founded Chai Discovery in 2024 with Jack Dent, Matthew McPartlon and Jacques Boitreaud; the company describes its team's backgrounds as spanning OpenAI, Meta FAIR, Stripe, molecular design and academic research. Chai Discovery says it is building a computer-aided design suite for molecules.12
Chai's open chai-lab repository hosts Chai-1, described in the 2024 technical report "Chai-1: Decoding the molecular interactions of life", and cites a 2025 Chai-2 report on zero-shot antibody design.3
Products and projects
Work
Chai-1
Co-founder and CEO of the company that released Chai-1, a model for predicting molecular structures described in a 2024 technical report credited to Chai Discovery.31
Chai-1 (weights used by chai_lab 0.6.1)Open weights
Listed among the authors of the Chai-1 technical report on bioRxiv, which the Chai-1 model card cites.5
Career timeline
2024
Co-founded Chai Discovery with Jack Dent, Matthew McPartlon and Jacques Boitreaud.1
2024
Chai Discovery released the Chai-1 technical report and open chai-lab code.3
Nov 19, 2025
Chai Discovery published a research update on drug-like antibody design with Chai-2.4
Jul 13, 2026
Announced, as CEO, a collaboration with Novartis on AI-driven antibody discovery.1
Related people
More sourced profiles at the same organization, in the same field, or from the same school.
- Jack DentAlso at Chai Discovery
- Abdul Fatir AnsariAI for science
- Jacques BoitreaudAlso at Chai Discovery
- Abhimanyu DasAI for science
- Matthew McPartlonAlso at Chai Discovery
- Aditya GroverAI for science
- Alex RivesAI for science
- Alexandre GramfortAI for science
- Ali MadaniAI for science
- Andrew WhiteAI for science
- Anima AnandkumarAI for science
- Brian HieAI for science
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