Mark Greaney is an acclaimed American novelist recognized for his high-octane espionage thrillers. He is the creator of the Gray Man series, featuring Court Gentry, a former CIA operative turned elite assassin. The series praised for its fast pace, intricate plots, and global settings has become a staple in modern spy fiction and was adapted into a Netflix blockbuster.

Greaney has also co-authored several Tom Clancy novels, continuing the legacy of the Jack Ryan universe. His deep research into military tactics, intelligence operations, and international politics lends his books a sense of authenticity and realism that keeps readers on edge.

Across his body of work, Greaney is admired for his ability to balance intense action with sharp character development, creating thrillers that are both adrenaline-fueled and emotionally gripping. With his expanding series and solo projects, he remains one of today’s leading voices in the thriller genre.