John Cassaday (born 1971) is an American comic book artist and writer born in Fort Worth, Texas, and currently lives in New York City. His style is highly detailed and uses relatively realistically-proportioned human characters. He is best known for his work on "Planetary" with writer Warren Ellis, "Astonishing X-Men" with Joss Whedon and "Captain America". Other earlier work includes "Desperadoes". Wikipedia
Likewise, when Marvel announced its plans to remold Captain America under the guidance of John Rieber and John Cassaday , it was difficult to fathom how the duo would make the character resonate in a contemporary context. www.comicbookresources.com/news/newsitem.cgi?id=583
The definitive Wikipedia entry for John Cassaday. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/John_Cassaday