Adrien is a french designer, who after working in some design studios moved to the US to work for Microsoft. While in the US, he met Karri Saarinen (CEO of Linear) who invited him to join the adventure of creating a better experience for working with GitHub issues. Since then, the company has taken off and its admired by designers everywhere. Adrien has publicly speaking of how Linear doesn't do things the "standard" way for everything, and they've got their very own processes.