Joseph Alexander was a retired colonel of the U.S. Marine Corps, with 29 years' service as an assault amphibian officer. He commanded a company in Vietnam, served five years at sea with amphibious task forces, and graduated with distinction from the Naval War College. Prior to retirement he served as chief of staff of the 3d Marine Division in the western Pacific.
Alexander wrote six books, including Utmost Savagery: The Three Days of Tarawa; The Battle History of the U.S. Marines; and Edson's Raiders: The 1st Marine Raider Battalion in World War II. He was Naval Institute Author of the Year in 1996 and Naval History Author of the Year in 2010. He served as scriptwriter and on-screen authority for 28 military documentaries for cable television networks. He was the principal historian and writer on the exhibit design team for the construction and expansion of the National Museum of the Marine Corps.