Joe Giella attended the School of Industrial Art and the Art Students League in New York City, and took commercial art courses at Hunter College. Giella's education was interrupted for eight years while he served in the Navy Reserve. Giella worked as a comic book artist for the medium's two major publishers, DC and Marvel. Joe Giella drew 'Mary Worth', one of the classic soap-opera comic strips, which started in 1934 and was scripted by John Saunders. In addition to his work on superheroes, Giella did freelance work for such prestigious firms as McCann Erickson, Saatchi & Saatchi, Doubleday and Communigraphics. Giella's work for publisher Simon & Schuster includes a strength and fitness book and a superhero cookbook. He has worked on many syndicated comic strips. Giella penciled and inked 'Batman' for four years (1966), doing his best to imitate Bob Kane. Joe Giella assisted on several King Features strips, including 'Flash Gordon' and 'The Phantom'.