Thane Praxis

Lt. Praxis was the Assistant Chief Environmental Officer onboard the USS Intrepid (NCC-1738) in the late 23rd century. 

Early life before the Intrepid
Thane was born on June 16, 2243 human calendar time on the planet Delta IV.

Chronology

 * 2243: Thane is born on the planet Delta IV.
 * 2259: Thane enters Starfleet Academy
 * 2263: Thane graduates Starfleet Academy and promoted to Ensign, his first assignment is Kzinti Outpost 8 as an environmental 3 officer.
 * 2266: Thane is promoted to Lieutenant junior grade and assigned to the USS Lysander as an environmental officer.
 * 2270: Thane is promoted to full Lieutenant and is assigned to the USS Intrepid as the assistant chief environmental officer.