Dennis Lehane is an American author born on August 4, 1965. He is renowned for his remarkable contributions to literature, particularly in the realm of mystery and crime novels. Lehane has penned more than a dozen novels, with several gaining critical acclaim and being adapted into successful films. His notable works include the series featuring recurring characters, beginning with A Drink Before the War, which won the Shamus Award.

Four of his celebrated novels have been adapted into films: Mystic River directed by Clint Eastwood in 2003, Shutter Island by Martin Scorsese in 2010, and both Gone Baby Gone (2007) and Live by Night (2016) by Ben Affleck. His short story, Animal Rescue, was also adapted into the film The Drop, noted for being actor James Gandolfini's final film role.

Lehane's novels often draw inspiration from his Irish heritage and the vibrant urban spaces of Boston, vividly portraying the lives of immigrant and marginalized communities. His work is a reflection of Irish culture, emphasizing the significance of Catholicism in the lives of his characters.

Beyond his novels, Dennis Lehane has made significant contributions to television. He was a staff writer for the acclaimed HBO series The Wire, and worked as a writer-producer on Boardwalk Empire for HBO and Bloodline for Netflix. He was also involved in the television adaptations of Stephen King's novels, namely Mr. Mercedes, End of Watch, and The Outsider. Additionally, he wrote and produced the acclaimed limited series Black Bird for Apple TV+.

Lehane, who currently resides in California with his family, continues to captivate readers globally, with his works being translated into more than 30 languages and becoming international bestsellers.