lives on the Pemaquid peninsula in Maine with his wife, the artist Kathleen Galligan, and their charming cat. During his career as a research professor at the University of Maine he has studied the seventeenth and eighteenth-century everyday lives of New England people, mostly in archives and archaeology sites. His first published article was in the Whole Earth Catalog (Spring 1970). Since then he has published many history and archaeology articles and book reviews in magazines and journals, such as International Journal of Nautical Archaeology, International Journal of Maritime Economic History, British Museum Encyclopedia of Maritime and Underwater Archaeology, The Northern Mariner/Le Marin du Nord, and the Encyclopedia of Contemporary American Culture. In addition, he researched for and authored numerous reports for federal and state governments.
To date Warren has published four nonfiction books: Angel Gabriel: The Elusive English Galleon; The Ship That Held Up Wall Street (winner of the John Gardner Award); Studying the Princes Carolina: Anatomy of the Ship That Held Up Wall Street; and On the Eastern Front, 1914: Meine Kriegserinnerungen. The last is the basis for a French documentary to be aired in 2025.
Currently, he is writing historical novels, finishing a non-fiction popular book about the people associated with the 1779 privateer Defence, and giving public lectures about the history and archaeology of seventeenth and eighteenth-century life.