Hey,
I'm concept artist / illustrator with 10 years of experience in games. I specialize in environment scenes but I can do illustrations, character, prop designs as well. I can also do basic 3d in case you need some perspective heavy scenes.
You can see my portfolio at: https://marektarnawski.artstation.com
Write message if you're interested.
My e-mail: m.tarnawski@gmail.com
Bigger examples: