St. John Lister

St. John was the Executive Officer onboard the USS Republic (NCC-1371) in the late 23rd century. 

Early life before Starfleet
St. John was born on October 8, 2241 human calendar time on the planet Deneb 5.

Chronology

 * 2241: St. John is born on Denev 5.
 * 2257: St. John enters Starfleet Academy
 * 2261: St. John graduates Starfleet Academy and promoted to Ensign, his first assignment is Deep Space Station K-9 as a Security Officer.
 * 2264: St. John is promoted to Lieutenant junior grade and is assigned to the USS Aldebaran as a Security Officer.
 * 2266: St. John is promoted to full Lieutenant and to the USS Federation the Assistant Chief Security Officer.
 * 2268: St. John is promoted to Lieutenant Commander and is assigned to the USS Izar as Chief Security Officer.
 * 2269: St. John is promoted to full Commander and is made First Officer of the USS Republic.