Konsab
Commander Konsab was a member of the Romulan military in the 24th century who taught Military History at the Intelligence Academy. One of his main themes was the difference between the military and the Tal Shiar. He believed that, in order for a military to function, its officers must trust each other. By contrast, the Tal Shiar trust no one, and always found deception because they expected it.

Commander Toreth mentioned Konsab's teachings to Deanna Troi, when she was posing as the Romulan Major , aboard the  in 2369. ()

Romulans
Romulan military personnel
Educators