Alexander Yates

Lex was the Chief Records officer/Pilot at Starbase 7 in the late 23rd century. 

Early life before Starfleet
Kat was born on October 4, 2230 human calendar time on the planet Earth in Newark, New Jersey.

Chronology

 * 2230: Lex is born on Earth in Newark, New Jersey.
 * 2248: Lex enters Starfleet Academy
 * 2252: Lex graduates Starfleet Academy and is promoted to Ensign, her first assignment is the USS Alexander as a pilot.
 * 2255: Lex is promoted to Lieutenant junior grade and assigned to the USS Enterprise as a pilot.
 * 2260: Lex is promoted to full Lieutenant and is made the Assistant Chief Pilot on the USS Saratoga.
 * 2265: Lex is promoted to Lieutenant Commander and is assigned to the USS Spica as the Chief Pilot/Records Officer.
 * 2270: Lex is promoted to Commander and becomes Chief Records Officer/Pilot at Starbase 7.