Elizabeth has 30 years in human-computer interaction and UX of various types of products, from web sites, web applications, and desktop applications to highly complex systems such as spacecraft control centers. She spent several years in system engineering, defining/analyzing system requirements and integrating the HCI process into the system life cycle. Elizabeth has master's degrees in mathematics and in human development. She served on the editorial board of ACM's “interactions” magazine for six years, and currently serves on the editorial board of UPA's online “Journal of Usability Studies”. She is co-chair of case studies for the CHI2012 conference.