Marcus Luttrell became a combat-trained Navy SEAL in 2002 and served in many dangerous Special Operations assignments around the world. He is the author of the New York Times bestseller Lone Survivor and is a popular corporate and organizational speaker. He lives near Houston Texas.

Patrick Robinson is known for his best-selling US Navy-based novels and his autobiography of Admiral Sir Sandy Woodward One Hundred Days was an international bestseller. He lives in England and spends his summers in Cape Cod Massachusetts where he and Luttrell wrote Lone Survivor.