Liam Duffy

Liam was the Assistant Head Medical technician onboard the USS Xerxes (NCC-505) in the late 23rd century. 

Early life before Starfleet
Liam was born on April 29, 2252 human calendar time on Earth in Irvine, California.

Chronology

 * 2252: Liam is born on Earth in Irvine, California.
 * 2268: Liam enters Starfleet Academy
 * 2272: Liam graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Xerxes as the Assistant Head Med Tech.