Jake Demari was a Starfleet officer from the 27th century. (Star Trek: Mirror Wars) Went to Starfleet Academy in 2594, at the age of 18. He graduated in 2598 and served aboard the USS Kelborn under Deker's command as a science officer. He was promoted to lieutenant in 2599, after saving the lives of crewmates in an attack by a Romulan strike force (the Romulan Crisis).