The President whose cabinet James Mattis served on assumed office on what date?
Cabinet of Donald Trump This article lists the members of President Donald Trump's Cabinet. Trump assumed office on January 20, 2017.
James Brady James Scott Brady (August 29, 1940 – August 4, 2014) was an assistant to the U.S. President and White House Press Secretary under President Ronald Reagan. In 1981, Brady became permanently disabled from a gunshot wound during the attempted assassination of Ronald Reagan. Brady became an ardent supporter of gun control as a result of this event.