Thelvran

Thelvran was the Chief engineer onboard the USS Bellatrix (NCC-1832) in the late 23rd century. (Star Trek: The Intrepid Adventures)

Early life before Starfleet
Thelvran was born on October 8, 2241 human calendar time on the planet Andor.

Chronology

 * 2241: Thelvran is born on the planet Andor.
 * 2259: Thelvran enters Starfleet Academy
 * 2263: Thelvran graduates Starfleet Academy and promoted to Ensign, his first assignment is the USS Axanar as an engineer.
 * 2266: Thelvran is promoted to Lieutenant junior grade and is assigned to the USS Tamerlane as the Assistant Chief Engineer.
 * 2268: Thelvran is promoted to full Lieutenant and is assigned to the USS Excelsior as the Assistant Chief Engineer.
 * 2270: Thelvran is promoted to Lieutenant Commander and is assigned to the USS Bellatrix as Chief Engineer.