Mark Greaney

Mark Greaney is an American #1 New York Times bestselling author best known for his Gray Man series of action thrillers, starting with his 2009 debut novel, which was adapted into a Netflix film starring Ryan Gosling. He collaborated with Tom Clancy on his final three novels before Clancy's 2013 death and continued the Ryanverse series afterward. A University of Memphis alumnus, Greaney worked various jobs in Memphis for over 20 years before becoming a full-time writer, with over 25 published works as of 2024.

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