Peter is a pioneer of information architecture and user experience. He is best known for being an author of the “polar bear book” on information architecture. His latest book Planning for Everything is about the design of paths and goals. Peter has been helping people to plan since 1994. Clients include AT&T, eBay, Harvard, the Library of Congress, Microsoft, and the National Cancer Institute. Peter lives in Ann Arbor, Michigan with his wife, two daughters, and a dog named Knowsy.