Steven Carlson (Challenger)

Doctor Steven Carlson is a male Human who lives in the 22nd century, and services the United Earth Starfleet on board the famous and later  starship Challenger under the command of Captain Taylor. (Star Trek: Challenger)

Early life
He was born and raised on the Earth Cargo Service vessel Ibn Battuta.

Challenger (NX-03)
In 2155, he held the rank of lieutenant commander and was handpicked by Captain Taylor to be her Chief medical officer on her first command, the Challenger. (Star Trek: Challenger episode 1x01:"Shakedown Cruise ")