Jeff Dacus is a retired Master Sergeant of Marines who experienced tank combat in Operation Desert Storm. He is also a retired schoolteacher who taught U.S. history for 35 years and as an adjunct professor at the University of Portland. He volunteers with local veterans groups and is a speaker at historical events and with school groups. He is the historical consultant for the annual Northwest Colonial Festival.

He is a private pilot who has written numerous print articles in Leatherneck Magazine and Armor Magazine, as well as online for the Journal of the American Revolution. He holds advanced degrees from American Military University, the University of Portland, and Lewis & Clark College. He resides in Vancouver, WA.