Tennant's author profile in "Spy the Lie", states that "his experience in producing key policy reports for senior U.S policy makers prepared him for a venture into journalism, which led to his appointment as editor-in-chief of Computerworld." <ref>"Spy the Lie", Tennant, D, Macmillan, 2012. Accessed June 18, 2013. </ref>.
Tennant is a member of the [[Baha'i Faith]], and "lives with his wife, Ardith" at the campus of the [[Green Acre Baha'i School]], in Eliot, Maine.,<ref>"Spy the Lie", Tennant, D, Macmillan, 2012, Accessed June 18, 2013. </ref>, where Ardith Tennant is a program coordinator.<ref>[http://archive.constantcontact.com/fs089/1101212188982/archive/1103374013331.html Green Acre Baha'i School], Official Website, accessed June 18, 2013. </ref>