Jack Stewart is an American novelist. He is known for the Battle Born series of thriller novels and the Silent Horizons series of military thrillers co-written with Chad Robichaux.
Stewart graduated from the U.S. Naval Academy and U.S. Navy Fighter Weapons School (TOPGUN) and holds a Master of Science in Global Leadership from the University of San Diego. He worked as a fighter pilot for twenty years. Stewart has credited the 1986 movie Top Gun for inspiring him to become a fighter pilot. After retiring from military service, he worked as an airline pilot.
Stewart published his debut novel, Unknown Rider, in 2023. Inspired by his experiences as a fighter pilot, the book was followed by three more sequels: Outlaw, Bogey Spades (both 2024), and Declared Hostile (2025).
In 2025, Stewart collaborated with Chad Robichaux on the novel Silent Horizons, followed by the sequel Riptide, to be released in 2026. He also published his entry in W.E.B. Griffin's Presidential Agent series, Direct Action, in December 2025.
Stewart is set to replace M. P. Woodward as the author of the Jack Ryan Jr. series of novels, which is set in Tom Clancy's Ryanverse, in 2026.
Co-written with Chad Robichaux
Based on characters created by W.E.B. Griffin
Based on characters created by Tom Clancy