Samuel Bruce Adlam Willis (born 24 April 1977) is a British historian, television presenter and writer. He studied History and Archaeology at the University of Exeter, graduating in 2000. Willis went on to earn a PhD in Naval History from the same university, studying under Professor Nicholas Rodger. He also went on to research for an MA in Maritime Archaeology from the University of Bristol where he studied under Professor Mark Horton.
He is a visiting Fellow in Maritime and Naval History at the University of Plymouth, and a Fellow of the Society of Antiquaries. He is the editor of Navy Records Online, the online-publishing branch of the Navy Records Society.