
Roberto Busa was an Italian Jesuit priest and one of the pioneers in the usage of computers for linguistic and literary analysis. He was the author of the Index Thomisticus, a complete lemmatization of the works of Saint Thomas Aquinas and of a few related authors.

Jesse James Garrett is a User Experience Designer based in San Francisco, California and co-founder of Adaptive Path strategy and design consulting firm. His diagram titled The Elements of User Experience launched his popularity in the web design community in early 2000, which was later published as a book. In a 2005 paper, Garrett coined the term Ajax to describe the asynchronous technology behind emerging services like Google Maps and Google Suggest, as well as the resulting user experience which made it possible to browse without interruption by eliminating the reloading of the whole page.

Steve Krug is a user experience professional based in Chestnut Hill, Massachusetts. He is best known for his book Don't Make Me Think about human-computer interaction and web usability. He also heads a one-man consulting firm called Advanced Common Sense. Krug offers in-house workshops where he teaches do-it-yourself usability testing and provides targeted advice to clients on web usability strategies. Krug published Rocket Surgery Made Easy: The Do-It-Yourself Guide to Finding and Fixing Usability Problems in 2009.

Peter Morville is president of Semantic Studios, an information architecture and findability consulting firm. He may be best known as an influential figure and "founding father" of information architecture, having coauthored the best-selling book in the discipline, Information Architecture for the World Wide Web. For over a decade, he has advised such clients as AT&T, Dow Chemical, Ford, the IMF, the Library of Congress, and Microsoft. Morville was a co-founder and past president of the Information Architecture Institute, and has served on their advisory board. He delivers keynotes and seminars at international events, and his work has been featured in major publications, including Business Week, Fortune, and The Wall Street Journal.

Eric Reiss is an American business and information architecture theorist, consultant and author, known for his work in the field of information architecture, usability, and service design. In 2010, he was named in a blog as "One of the Top 10 European Content Strategists to Watch". In 2019 he sued the Information Architecture Institute.

Thomas Vander Wal is an information architect best known for coining the term "folksonomy". He is also known for initiating the term "infocloud". His work has primarily dealt with the Web and with information design and structure especially in the context of social technology.

Richard Saul Wurman is an American architect and graphic designer. Wurman has written, designed, and published 90 books and created the TED conference, as well as the EG conference, TEDMED, and the WWW suite of gatherings.