He's worked on an impressive number of great games. Prey, SW Kotor 2, Fallout New Vegas, Neverwinter Nights 2, Icewind Dale 1+2 and Alpha Protocol (ok, arguably great) jump out at me https://en.wikipedia.org/wiki/Chris_Avellone#Works
(He just needs to jump on a title like Numenéra: Into the Planescape to complete the cycle.)
[1]: it's complicated.
I think the overlapping names might even be why I overlooked it. Didn’t realize it was a new game.
When it was developed as a sequel, the story was completely different.