> responsible for Proton
Part of Proton only. Proton is a mix of various projects. Esync, Fsync, Wine, DXVK, and more...
> Codeweavers CTO
Yes Julliard is very famous and key to the project
> Proton is a mix of various projects
They didn't magically get bundled together. Proton still has a substantial amount of engineering behind it.
I assume Esync and Fsync will not live much longer, now that NTSync is supported by the both Wine 11 and the kernel 6.14.