Quentin Pierce

Lt. j.g. Pierce was an Security officer onboard the USS Intrepid (NCC-1738) in the late 23rd century. 

Early life before the Intrepid
Q was born on May 11, 2243 human calendar time on the planet Earth in New York, New York.

Chronology

 * 2243: Q is born on the planet Earth in New York, New York.
 * 2261: Q enters Starfleet Academy
 * 2265: Q graduates Starfleet Academy and promoted to Ensign, his first assignment is the USS Federation as an security officer.
 * 2270: Q is promoted to Lieutenant junior grade and assigned to the USS Intrepid as an security officer.