Jay Anthony Dobyns was born in Indiana in 1961. He was raised in Tucson, Arizona and graduated in 1985 from the University of Arizona. Dobyns became an agent for the Bureau of Alcohol, Tobacco, and Firearms (ATF) in 1987. He has spent much of his career working undercover, and in 2001 he was selected as the lead agent in a two-year investigation of the Arizona Hells Angels motorcycle club. In 2009, Dobyns published the bestselling book No Angel with co-writer Nils Johnson-Shelton. Dobyns has received an ATF Distinguished Service Medal as well as a Top Cops award from the National Association of Police Officers. He owns a motivational speaking/consulting business.
Nils Johnson-Shelton is the author of the Otherworld Chronicles series, including The Invisible Tower and The Seven Swords. He is also the co-author of the New York Times bestseller No Angel: My Harrowing Undercover Journey to the Inner Circle of the Hells Angels and the Endgame Series.