Prior to working at Bungie, Lorraine McLees was working as a comic book artist for Elfquest. It was until late 1998 when she joined Bungie as a freelance illustrator to work on Oni. She was involved in Halo: Combat Evolved shortly after Oni, working as a cinematic artist. She continued working as an artist for other Halo titles, as well as designing book covers and posters.
She served as the Senior Graphic Designer for Destiny.