David Welker is an American painter and poster artist known for his elaborate, narrative imagery and mastery of multiple styles. His poster art for bands like Phish, Pearl Jam, Primus, The Black Keys, and the Grateful Dead has brought him international acclaim. His artwork on the cover of the 1993 studio album, Rift, by the American rock band Phish was listed as one of the top ten album covers of all time by Relix magazine in 2007. His visual aesthetic is an amalgam of early 20th Century Surrealism, The Ashcan School, West Coast Surf Culture and Underground Comix.