Dr. Hal Cardwell has focused on collaborative multi-stakeholder planning and decision making throughout his career. Since 2008 he has led USACE’s Collaboration and Public Participation Center of Expertise (www.iwr.usace.army.mil/cpc/) in providing technical assistance to dozens of USACE projects and programs, and training hundreds of USACE staff on public participation, risk communication, and conflict resolution. Before coming to USACE in 2001, Hal spent five years with USAID in DC and Panama working on international water management issues and four years with Oak Ridge National Lab working on instream flow issues across the US. Hal holds a BS in Systems Engineering from the University of Virginia and a Ph.D. in Geography & Environmental Engineering from the Johns Hopkins University.