
He studied biology as a teenager, helped teach AI the language of proteins, and waited until 2024 to start Chai Discovery. Now Joshua Meier has to turn a research bet into a dependable tool for scientists.

A 99-cent app maker became Stripe’s youngest staff engineer. Years after a Harvard friendship and an early nudge from Sam Altman, Jack Dent returned to an unfinished idea and helped turn Chai Discovery into a working platform for molecular design.