David Michaels

c. January 1, 2010 - Present Assistant Secretary, Occupational Safety and Health Admin., Department of Labor Videos: 4 c. January 1, 2008 - Present Research Professor, Department of Environmental and Occupational Health., George Washington University Videos: 2

Previously

c. January 1, 1998 - c. January 1, 2001 Assistant Secretary, Environment, Safety and Health, Department of Energy Videos: 3

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