Michael Leonardo

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

Early life before the Intrepid
Mike was born on September 24, 2245 human calendar time on the planet Earth in Denver, Colorado.

Chronology

 * 2245: Mike is born on the planet Tau Ceti Alpha.
 * 2262: Mike enters Starfleet Academy
 * 2266: Mike graduates Starfleet Academy and promoted to Ensign, his first assignment is the USS Federation as an engineer.
 * 2270: Mike is promoted to Lieutenant junior grade and assigned to the USS Intrepid as an engineer.