[2] Dietz has been employed as a surgical technician, college instructor, news writer, television producer,[1] and director of public relations and marketing for an international telephone company.

[4] He has also written post-apocalyptic science fiction novels, including the America Rising series,[5][6] a trilogy that tells the story of a second American civil war.

Publishers Weekly said of the final book in the series—Battle Hymn—that "Dietz has a steady hand with pacing (particularly in combat scenes) and a good ear for realistic battle chatter.

[10] He also wrote the script for the Legion of the Damned game[8] based on his book of the same name—and co-wrote Resistance: Burning Skies.

[9] Themes that Dietz writes about include sociological science fiction,[11] futuristic soldiers,[12] alien politics,[13] cyborgs, and shape shifters.