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ASSISTANT SECRETARY OF LABOR MINE SAFETY AND HEALTH ADMINISTRATION
Christopher J. Williamson, MSHA’s new Assistant Secretary, was appointed by President Biden, effective Monday, April 11, 2022.
DEPUTY ASSISTANT SECRETARY FOR POLICY
Julie E. Aaronson began serving as MSHA’s Deputy Assistant Secretary for Policy on August 14, 2023.
DEPUTY ASSISTANT SECRETARY FOR OPERATIONS
Patricia W. Silvey was appointed Deputy Assistant Secretary for Operations in December 2010.
