Rolf Molich manages DialogDesign, a Danish usability consultancy, which he founded in 1993. Rolf coordinated the Comparative Usability Evaluation studies (CUE), where sixty professional usability teams independently evaluated the same websites under realistic conditions using their favorite evaluation method. Rolf is co-inventor of the heuristic evaluation method (with Jakob Nielsen).
Kasper Hornbaek is an associate professor at the University of Copenhagen. He has published at CHI about usability, is involved in national and European research projects on the industrial use of usability evaluations, and co-edited a recent issue of International Journal of Human-Computer Interaction on this issue.
Josephine Scott was part of the TechSmith Corporation team that participated in CUE-6. She has provided usability, user research, and user-centered design services for energy companies, major booksellers, automotive manufacturers, and software producers. She is a member of the Usability Professionals’ Association's Voting and Usability Project.
Jeff Johnson Jeff Johnson is principal consultant at UI Wizards, a usability consultancy. He previously worked at Cromemco, Xerox, US West, HP, and Sun. He has taught at Stanford, Mills, and the University of Canterbury. He has authored HCI articles, chapters, and the books GUI Bloopers, Web Bloopers, and GUI Bloopers 2.0.