Mark Greaney

Mark Greaney has a degree in International Relations and Political Science and is pursuing his Masters in Intelligence Studies with a concentration in Criminal

Mark Greaney (born October 25, 1967) is an American author who writes action thriller novels. He is best known for his Gray Man series of novels.

Before 2009 Mark Greaney was an unknown author, with several story ideas that had never come to fruition. Now everything has changed for this budding author

#1 NYT Bestselling Author of The Gray Man series including the latest, The Chaos Agent. Also the author or coauthor of 7 Tom Clancy Jack Ryan novels.

Mark Greaney is the #1 NYT bestselling author of The Gray Man series and other thrillers. MORE ABOUT MARK. The World of the Gray Man. Discover the #

Mark Greaney has 95 books on Goodreads with 799106 ratings. Mark Greaney's most popular book is The Gray Man (Gray Man, #1).

Mark Greaney is the #1 NYT bestselling author of MIDNIGHT BLACK, the 14th GRAY MAN novel. The Netflix production of THE GRAY MAN, starring Ryan Gosling and