Marie Tahir

Dr. Jakob Nielsen

Jakob is principal of Nielsen Norman Group; he was previously a Sun Microsystems Distinguished Engineer. Nielsen's Alertbox column about web usability has been published on the Internet since 1995 (http://www.useit.com). Nielsen has been called "the world's leading expert on web usability" (U.S. News & World Report), "the guru of Web page usability" (The New York Times), and he "knows more about what makes web sites work than anyone else on the planet" (Chicago Tribune).

Marie Tahir

Marie is Director of Strategy at Nielsen Norman Group, where she has focused on B2B and B2C user experience redesign. She previously managed the Human Factors group at Intuit, Inc., where she introduced and taught user centered design methodology and oversaw the user experience of the TurboTax, ProSeries, and QuickenLoans product lines. Prior to Intuit, Marie was at Lotus Development Corp., where she pioneered field research and user profiling methodology and was responsible for the usability of the SmartSuite product line. She is the co-author of "Bringing the Users' Work to Us: Usability Roundtables at Lotus Development" in Wixon and Ramey's Field Methods Casebook for Software Design.