David Sheridan

Lt. j.g. Sheridan was a Support officer onboard the USS Intrepid (NCC-1738) in the late 23rd century. 

Early life before the Intrepid
Dave was born on June 24, 2246 human calendar time on Earth in Sussex, England.

Chronology

 * 2246: Dave is born on Earth in Sussex, England.
 * 2263: Dave enters Starfleet Academy
 * 2267: Dave graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Rigil Kentaurus as a support officer.
 * 2270: Dave is promoted to Lieutenant junior grade and is assigned to the USS Intrepid as a support officer.