Lou Rosenfeld is an independent information architecture consultant. He has been instrumental in helping establish the field of information architecture, and in articulating the role and value of librarianship within the field. Lou played a leading role in organizing and programming the first three information architecture conferences (both ASIS&T Summits and IA 2000). He also presents and moderates at such venues as CHI, COMDEX, Intranets, and the web design conferences produced by Miller Freeman, C|net and Thunder Lizard. He teaches tutorials as part of the Nielsen Norman Group User Experience Conference. Peter Morville is best known as a founder of the field of information architecture. His bestselling books include Information Architecture for the World Wide Web and Ambient Findability (both O'Reilly). He advises such clients as AT&T, Harvard, IBM, the Library of Congress, Microsoft, the National Cancer Institute, Vodafone, and the Weather Channel.