Top 10 Artists

Interesting blend of character and creature design based on humanoid features
Intricate ornamentation
Religious symbolism
Dark/moody, obvious main light direction (from above)

Andres Rios - Character Designer/Concept Artist

Boss-like creature design, something I'd want to fight in a game
Cyberpunk, post-apoc style design that feel unique

Ching Yeh - Character/Creature Illustrator

Making interesting forms before detailing
Weapon render layout
Elliot Sharp - Weapons/Hard Surface Artist

Realistic level of detail with factory-new look
Material detail
Filippo Ubertino - Hard Surface Concept Artist

Use of contrasting colors

Jason Scheier - Environment Illustrator

Movement/flow of character poses
Kevin Glint - Character Designer/Illustrator

Cohesiveness of environment
Vibrant colors
Kevin Whitmeyer - World Artist

Render layout/lighting
Khyzyl Saleem - Vehicle Artist/Concept Artist

"Hyper-complexity"
Scale
Rui Huang - Environment Concept Artist

Texture quality(note: scan)
Wang Chen - Environment Artist