Illustrator, cartoonist, and comic book author best known as the mind behind the Olympians, a series retelling original Greek mythology. He is also the illustrator for the Captain Awesome series by Stan Kirby.
In 2006, he published his first graphic novel, Journey into Mohawk Country, a visual translation of the journal of Dutch explorer Harmen Meyndertsz van den Bogaert.
His first picture book Kapow, released in 2007, was a New York Times bestseller.
He has lived in Brooklyn, New York.
He illustrated the graphic novel Ball Peen Hammer by Pulitzer Prize winning playing Adam Rapp.