[3] Under the pen name "Christopher Zarathustra", Perkins got his career start in 1988 writing the adventure "Wards of Witching Ways" for Dungeon magazine #11.

[10] He was also on the SCRAMJET team, led by Richard Baker, and including James Wyatt, Matthew Sernett, Ed Stark, Michele Carter, and Stacy Longstreet; this team updated the setting and cosmology of Dungeons & Dragons as the fourth edition was being developed.

[12] Perkins was the Lead Story Designer for the adventure module Curse of Strahd, released in 2016, which added Ravenloft to the 5th edition of Dungeons & Dragons.

[16] In October 2024, Perkins stated that "although I made substantial contributions to the Monster Manual (2025) and the next D&D starter set, the Dungeon Master's Guide (2024) is the last official D&D book in which I'm credited as a product lead".

[20][24] In his free time, Perkins runs a Dungeons & Dragons campaign set in his homebrew world of Iomandra.