The President whose cabinet James Mattis served on assumed office on what date?
James Mattis James Norman "Jim" Mattis (born September 8, 1950) is a retired United States Marine Corps general who is the 26th and current United States Secretary of Defense, serving in the Cabinet of Donald Trump. Mattis was previously the 11th Commander of United States Central Command during the presidency of Barack Obama, and was responsible for American military operations in the Middle East, Northeast Africa, and Central Asia.
Timeline of the presidency of Barack Obama (2011) The following is a timeline of the Presidency of Barack Obama, from January 1, 2011 to December 31, 2011. For his time as President-elect, see the Presidential transition of Barack Obama; for a detailed account of his first months in office, see First 100 days of Barack Obama's presidency; for a complete itinerary of his travels, see List of presidential trips made by Barack Obama.