Dan Walker is Associate Director of the Center for Technology and Systems Management within the U. of Maryland’s Department of Civil and Environmental Engineering. Prior to his appointment with U. of Maryland, Dr. Walker was Director and Chief Climate Scientist for the Computer Sciences Corporation (CSC). With a PhD degree in geology from the University of Tennessee, Dr. Walker has been involved with strategic planning and management of state and federal science for over 25 years. After occupying early technical positions with the states of Kentucky and North Carolina, he joined the staff of the National Academies’ National Research Council 1996. Dr. Walker directed nearly 20 NRC studies, eventually being named a National Academies' Scholar in 2006. Dr. Walker then served the White House Office of Science and Technology Policy (OSTP) from 2006 to 2009, completing his tenure at OSTP as Assistant Director for Environment. Dr. Walker has served as a Principal and Co-Chair on numerous U.S. Federal interagency committees and bodies, as well as a U.S. Delegate to the International Panel on Climate Change (IPCC) from 2007 to 2010. Dr. Walker is a founding member of the ASCE Committee on Adaptation to a Changing Climate.