David Jones is currently the Associate Director and Research Engineer at the University of California Pavement Research Center at UC Davis, where he has worked since 2006. His primary area of research at the UCPRC has focused on pavement recycling and the use of recycled materials in pavement applications. In the early part of his career, David worked internationally on low-volume road management, with research focused on design, construction, maintenance, and management of both unpaved and paved roads in both developed and developing countries. This research included development of performance-based material specifications, chemical treatment and stabilization, and improved maintenance management procedures for small agencies. Although unpaved roads are not a research focus area for Caltrans, David has maintained an interest in the area and completed numerous projects, primarily focused on writing guidance documents and development of web-based tools for improving unpaved road management. He is a past Chair of the Transportation Research Board's Technical Committee on Low Volume Roads.