Alan Petrie

Alan was the Chief medical officer onboard the USS Xerxes (NCC-505) in the late 23rd century. (Star Trek: The Intrepid Adventures)

Early life before Starfleet
Alan was born on November 9, 2245 human calendar time on the planet Earth in the city of Cardiff, Wales.

Chronology

 * 2242: Alan is born on the the planet Earth in Cardiff, Wales.
 * 2261: Alan enters Starfleet Academy
 * 2265: Alan graduates Starfleet Academy and promoted to Lieutenant, the first assignment is the USS Kars as a doctor.
 * 2272: Alan is promoted to Lieutenant Commander and is assigned to the USS Xerxes as the Chief Medical Officer.