For the Pyrithion EP, Gilbert contributed bass as a session musician as well as JP Andrade on drums, with the official members being, Lambesis, Ryan Glissen (formerly of Allegaeon), and Andrew Godwin (formerly of Embodyment and The Famine).

After Lambesis' arrest, the remaining members of AILD, guitarists Nick Hipa and Phil Sgrosso, and drummer Jordan Mancino formed Wovenwar.

[14] Gilbert also performed in a project called Year One, together with Lee Turner, former bandmate and former drummer of Maylene and the Sons of Disaster, All In and This Endearing members Clayton Graves, Joseph McQueen, as well as Marko Gorupic of Legion and My Reply.

In addition to touring full time with As I Lay Dying, he also co-owns and operates recording studio Sparrow Sound with his business partner Joseph McQueen out of Los Angeles.

[citation needed] Gilbert has also written/co-written for the likes of Bullet for My Valentine – "Venom" and "Skin" (2015), Light the Torch – Revival (2018) and Stitched Up Heart.