Dr. Kristin Tufte has over 25 years experience in data architecture and data management system design and performance and 15 years experience in transportation data management. Dr. Tufte directs PORTAL — a 17TB archive of freeway, transit and traffic signal data which provides visualizations of performance measures for transportation professionals. Dr. Tufte was on teams that implemented two groundbreaking data management systems — a parallel geo-spatial data management system sold to NCR corporation and a data stream management system — technologies from both systems are now commonplace in the data management industry. In addition to her research work, Dr. Tufte teaches data management courses at Portland State University.