Gisela Kozak was born in Argentina, where she got her degree in Industrial design. After completing graduate studies in packaging, she moved to Japan to pursue a PhD in packaging and has been there for four years she also works for an advertisement company and has published several articles about Japanese packaging.
Julius Wiedemann was born and raised in Brazil. After studying graphic design and marketing, he moved to Japan, where he worked in Tokyo as art editor for digital and design magazines. Since joining TASCHEN in Cologne, he has been building up Taschen's digital collection with titles such as Digital Beauties, 1000 Game Heroes, Animation Now! and Taschen's 1000 Favorite Websites.