Who is the artist that created this Barack Obama picture?

http://www.moviecritic.com.au/images/barack-obama-and-progress1.jpg

Public Comments

1. some consulting firm.note the use of red,white and blue.
2. i thought he was black
3. Che' Rivera
4. Shepard Fairey....check out this website, you can upload a picture and make it look like that... http://obamiconme.pastemagazine.com/ hope this helps, Kelli