John Sherlock Hersey is considered one of the founders of digital illustration. He is the principal of John Hersey Illustration in Larkspur, California, where his clients include Sony, Bandai, Le Monde, Wired, the Times of London, Swatch, the New York Times, Newsweek, and Benetton. John has designed watch faces for Swatch, an Absolut Vodka ad, pattern designs for Esprit, on-air IDs for Nickelodeon, font designs distributed with Emigre, and various logos including the XM satellite radio logo.

He also wrote and illustrated the children's book binkobink (2002), and his work has been exhibited at SFMOMA. He studied at the Art Center College of Design in Pasadena, California.