Natural Hazards Working Group Roundtable on Coastal Community Resilience, New York City, 29 February 2016Cyber Security Working Group Roundtable on Preparedness and Response, Seattle, Washington, 27 April 2015BioThreat Preparedness Roundtable, Texas State Capital, Austin, TX, 28 October 2014Explosives: Prevent, Detect, Deter Roundtable, U.S. Park Police Anacostia Operations Facility, Washington, D.C., 12 June 2014