Spencer Drate and Judith Salavetz are authors and graphic designers. They have created CD packages for many popular artists, including Bon Jovi, Lou Reed and U2. Nels Jacobson, founder of Jagmo Studios, has been creating rock posters and writing and lecturing about poster art for a quarter century. Dirk Fowler has been a designer and art director since the early 1990s. He is best known for his letterpress concert posters which have been awarded, published and exhibited world wide.