Mark White

Lt. j.g. White was a Helmsman onboard the USS Hermes (NCC-585) in the late 23rd century. 

Early life before Starfleet
Mark was born on August 13, 2246 human calendar time on the planet Cait.

Chronology

 * 2246: Mark is born on planet Cait.
 * 2262: Mark enters Starfleet Academy
 * 2266: Mark graduates Starfleet Academy and promoted to Ensign, her first assignment is the USS Saladin as a Helmsman.
 * 2270: Mark is promoted to Lieutenant junior grade and is assigned to the USS Hermes as a Helmsman.