He began his career as director of photography on a short horror film directed by John Strysik, The Music of Erich Zann, in 1980; and then on the comedy The Blues Brothers, as a production assistant.

He went on to serve as cinematographer on film and television series, such as: Moonstalker, How U Like Me Now, What Matters Most, Call Waiting, Funky Monkey, Cloud 9, Witness Protection, My Name is Earl, The Nine Lives of Chloe King, Mr. Sunshine, Salem and The Town That Dreaded Sundown[1][2] Goi has written and directed three feature films during his career; Voyeur, an action drama about a reluctant porn star and her biggest fan;[citation needed] Megan Is Missing (2011), about internet predators and the disappearance of Megan Stewart (Rachel Quinn); and MARY, starring Gary Oldman and Emily Mortimer, on which he also served as the cinematographer.

Goi served as the exclusive cinematographer on Lisa Kudrow's Web Therapy throughout the entirety of its 87-episode run.

As director of photography, Goi first worked with prolific writer/producers Ryan Murphy and Brad Falchuk on their (with Ian Brennan) FOX musical comedy Glee, in 2011, with the episode "Asian F".

During the fourth season of American Horror Story, Goi made his series directorial debut with "Magical Thinking".