Eric C. Biessman is one of the level designers for Heretic: Shadow of the Serpent Riders, Hexen and Hexen: Deathkings of the Dark Citadel. He was hired in time to work on Heretic's expansion pack and remains at Raven Software to this day.
Eric Biessman • Colin Caird • Chris Foster • Brian Frank • Ben Gokey • Shane Gurno • Ted Halsted • Rick Johnson
Patrick Lipo • Paul MacArthur • James Monroe • Tim Moore • Brian Pelletier • Brian Raffel • Steve Raffel • Michael Raymond-Judy
Rebecca Rettenmund • Chris Rhinehart • Scott Rice • Kevin Schilder • Carl Stika • James Sumwalt • Matia Wabagaza