Alex DeMille is a best-selling novelist and award-winning filmmaker. He grew up on Long Island and received a BA from Yale University and an MFA in film directing from UCLA.

His debut novel The Deserter, co-written with his father, author Nelson DeMille, was published by Simon & Schuster October 22, 2019 and was an instant New York Times bestseller. Their follow-up novel, Blood Lines, was published by Scribner Books on October 10, 2023.

He lives in Brooklyn with his wife and daughter.