Glenn Johns

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

Early life before Starfleet
Glenn was born on June 3, 2252 human calendar time on Earth in Edwards Air Force Base, California.

Chronology

 * 2252: Glenn is born on Earth in Edwards Air Force Base, California.
 * 2268: Glenn enters Starfleet Academy
 * 2272: Glenn graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Xerxes as a Nurse.