Mobile Usability: How Nokia Changed the Face of the Mobile Phone

Christian Lindholm has been instrumental in driving Nokia User Interfaces to their current level of usability, recognized as the benchmark in the industry and appreciated by hundreds of million people worldwide during the past 8 years. He is the inventor of the Navi-key user interface, the most deployed user interface in electronics. He is also the father of the Nokia Series 60 user interface used in Nokia smartphones and licensed by key players in the industry. Mr. Lindholm holds a masters degree in economics and has done research in design management and new product development. He also holds several patents in the field. Currently he is managing an internal Nokia venture. Dr. Turkka Keinonen, Doctor of Arts, works as a professor in the School of Design at the University of Art and Design Helsinki UIAH. His teaching and research interests lie in user-centered design and product concept creation. Mr. Keinonen has designed paper machinery for Metso corporation. He has consulted for Finnish National Research and Development Center for Welfare and Health (STAKES) in several EU projects aiming at mainstreaming information technologies. In his doctoral thesis in 1998, Keinonen studied the influence of usability on consumers' product preference. From 1998 to 2001 Mr. Keinonen worked in the usability group of Nokia Research Center, where he led several concept creation projects. He was nominated the designer of the year 2000 in Finland for his merits in user-centered design. Harri Kiljander works as the Director, User Interfaces, at Nokia Mobile Phones. During the period 1995 to 1997 he worked as a senior research engineer and interaction designer at Nokia Research Center, where he participated in a number of mobile device user interface concept creation and research projects. Since 1998 he has worked at Nokia Mobile Phones in various usability engineering and user interface management positions. Mr. Kiljander has a masters degree in computer science, a licentiate degree in interactive digital media, and he is currently finalizing his doctoral thesis in mobile device usability. He holds a number of patents in the domain of small device user interfaces.