Peter Morville is president of Semantic Studios, an information architecture, user experience, and findability consultancy. For over a decade, he has advised such clients as AT&T, IBM, Microsoft, Harvard Business School, Internet2, Procter & Gamble, Vanguard, and Yahoo. Peter is best known as a founding father of information architecture, having co-authored the field's best-selling book, Information Architecture for the World Wide Web. Peter serves on the faculty at the University of Michigan's School of Information and on the advisory board of the Information Architecture Institute. He delivers keynotes and seminars at international events, and his work has been featured in major publications including Business Week, The Economist, Fortune, and The Wall Street Journal. You can contact Peter Morville by email (morville@semanticstudios.com). You can also find him offline at 42.2 N 83.4 W or online at semanticstudios.com and findability.org.

Jeff Callender is vice president and design director of Q LTD, a strategic design consultancy with a global reach. Jeff is focused on bringing clarity to everyday graphic communications that promote positive user experiences. His wide body of work includes design for brand identity, user interface, print collateral, packaging, tradeshow, and exhibit graphics for a variety of clients including AT&T, Converse, Dow, NuStep, Jensen, ProQuest, and SIGGRAPH. Jeff has taught graphic design at the University of Michigan and lectured at the Stephen M. Ross School of Business and the SIGGRAPH Conference on Computer Graphics and Interactive Techniques.