Stephanie Williams (Calisto)

Stephanie Williams is a human female who lives in the 24th century and services the United Federation of Planets and Starfleet as Chief engineering officer onboard the USS Calisto (NCC-8112) under the command of Captain Marcia Taylor. (Star Trek: Calisto)

Early life
Stephanie Williams was born on August 23rd, in 2344 to Laura and Adam Williams on the Federation colony Cestus III.

Stephanie came from a long line of Starfleet and civilian engineers, and the disappearance of her grandmother, Starfleet engineer Katharine Eichelbaum, further drove her desire to follow in family tradition.

Starfleet Academy
Stephanie attended Starfleet Academy from 2360 until she graduated in 2364.

While at the Academy, she met and started a relationship with Jack Mason which lasted until she graduated in 2364.

Starbase 157
Ensign Williams served with Starbase 157. Her first assignment with the starbase was in 2364.

USS Farragut
Played an important role in defeating the alien entity that had threatened the USS Farragut as well as other shipping in the Bajoran sector.

USS Calisto
Lieutenant Commander Williams was posted on board the starship USS Calisto (NCC-1182) as chief engineer under the command of Captain Marcia Taylor. (Shakedown Cruise)

Participated in a barroom brawl at Quark's. (Shoreleave)

Till 2372 she leaves the ship for a position design new Starships at Utopia Planitia Shipyards. She is replaced by Kyle Clarkson as chief engineer, instead of her second, Lieutenant Gomez. (Dictum Factum Part (2))