William C. Dietz is an American science fiction author, born in 1945, best known for his fast-paced military sci-fi and video game tie-in novels. A former Navy and Marine Corps serviceman, he brings gritty realism to series like Legion of the Damned, which features cyborg soldiers resurrected from death to fight humanity’s wars.

He’s also written tie-ins for franchises like Halo (The Flood), Star Wars: Dark Forces, and Mass Effect, and co-authored Hitman novels. His work often explores futuristic warfare, alien politics, and the resilience of soldiers in dystopian settings.