Charles Avery

Chas was the Head Nurse onboard the USS Paegan (NCC-1755) in the late 23rd century. 

Early life before Starfleet
Chas was born on July 23, 2242 human calendar time on the planet Earth in San Diego, California.

Chronology

 * 2242: Chas is born on the planet Earth in San Diego, California.
 * 2258: Chas enters Starfleet Academy
 * 2262: Chas graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Aquila as the Assistant Head Nurse.
 * 2265: Chas is promoted to Lieutenant junior grade and is assigned to the USS Grus as the Head Nurse.
 * 2272: Chas is promoted to full Lieutenant and to the USS Paegan the Head Nurse.