PROCESS IN A NUTSHELL
Shanli Goff and Kimberly Cheung teamed up to create concept art for the company's assets. While Shanli was tasked with using Maya to create the base compositions, Kimberly was tasked with using Photoshop to refine those compositions to completion. They then proceeded to take turns making adjustments and worked alongside each other.
Here is Shanli's process (She composited 3D solids and textures together):
And here is Kimberly’s (Mostly color corrected and lit, but also helped with textures):