Jacob Holo

Jacob Holo is an American author of science fiction known for the Gordian Protocol series, a time-travel adventure co-written with David Weber beginning with The Gordian Protocol and continuing through The Valkyrie Protocol and The Thermopylae Protocol, which follows agents repairing fractures in history caused by rival time-manipulating factions. His solo work includes the Seraphim Revival series, blending military science fiction with artificial intelligence and mecha combat, and the zombie-apocalypse trilogy comprising Throne of the Dead, Bane of the Dead, and Disciple of the Dead. Holo's fiction generally favors tightly plotted action built around large-scale technological threats, whether time paradoxes, rogue AI, or the undead.