Briessen was a male Human and a member of the Alliance to Restore the Republic who served as a commander in the Rebel SpecForces. He was Koris Haslam's superior officer, and assigned Aurin Leith to Haslam's team for a mission to Selnesh.
Appearances
"Do No Harm" — Star Wars Adventure Journal 10 (reprinted in Tales from the Empire and Hyperspace: The Official Star Wars Fan Club) (First appearance)