The Honorable Jay M. CohenDownload Testimony (44k)Under Secretary for Science and TechnologyU.S. Department of Homeland Security
Gerald W. ParkerDownload Testimony (589k)Principal Deputy Assistant Secretary, Office of the Assistant Secretary for Preparedness and ResponseU.S. Department of Health and Human Services
KEITH A. RHODESDownload Testimony (247k)Chief Technologist, Director, Center for Technology and EngineeringGovernment Accountability OfficeWashington, D.C.
Tara O'TooleDownload Testimony (181k)Chief Executive Officer and Director, Center for BiosecurityUniversity of Pittsburgh Medical Center