Maria Ricci

Maria was the Head Nurse onboard the USS Xerxes (NCC-505) in the late 23rd century. 

Early life before Starfleet
Maria was born on May 10, 2247 human calendar time on the planet Earth in Milan, Italy.

Chronology

 * 2247: Maria is born on planet Earth in Milan, Italy.
 * 2263: Maria enters Starfleet Academy
 * 2267: Maria graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Altair as a nurse.
 * 2272: Maria is promoted to Lieutenant junior grade and is assigned to the USS Xerxes as the Head Nurse.