Erik Sabina, P.E. is the manager of the Information Management Branch at the Colorado Department of Transportation, where he is leading a project to develop an advanced statewide travel model, and directing GIS, travel data acquisition, and mobility analysis activities for the DOT. In the course of his career he has led several leading-edge model development and data projects, including: the project to develop an activity-based travel model for the DRCOG region; the first regional travel survey to cover the entire Colorado Front Range area; and the on-going effort to develop an implementation of the Urbansim land use model for the Denver region. Mr. Sabina has published numerous papers on travel surveying, activity-based model development and related topics, and has frequently served as an invited speaker and panelist throughout the US, including recently participating as an invited panelist on the “TMIP Information Exchange on Travel Surveys from an Agency Perspective” (Baltimore, May 2014). He is also a member of the TRB committees on Transportation Demand Forecasting (ADB40) and Urban Transportation Data and Information Systems (ABJ30.) Mr. Sabina holds a BS degree in Aerospace Engineering from the University of Colorado, and an MS in Transportation from the Massachusetts Institute of Technology.