(written from a Production point of view)
Thomas "Tom" Derenick is a comic book artist who specializes in pencil art. He began in the industry in 1991 and joined Malibu Comics not long after. During his time at Malibu, he penciled several titles, including Protectors and Gravestone. He also freelanced for DC Comics (on their Star Trek title), Marvel (on Venom and Spider-Man), in addition to several other companies.
More recently he has worked on Shadowpact, and with R.A. Jones on Cybertrash and the Dog and sells pieces of art on eBay.