u.s. president-elect donald trump say monday would name retire neurosurgeon ben carson secretary department house urban development follow list republican trump selections top job administration post national security adviser require senate confirmation mattis retire marine corps general know tough talk distrust iran battlefield experience iraq afghanistan former leader central command oversee u.s. military operations middle east south asia mattis 66 know many u.s. force nickname mad dog rebuke say 2005 fun shoot people mnuchin 53 relatively little-known successful private equity investor hedge fund manager hollywood financier spend 17 years goldman sachs leave 2002. assemble investor group buy fail california mortgage lender 2009 rebranded onewest bank build southern california large bank bank come fire foreclosure practice house advocacy group accuse quick foreclose struggle homeowners ross 78 head private equity firm w.l ross co. net worth peg forbes 2.9 billion staunch supporter trump economic adviser ross help shape trump campaign view trade policy blame north american free trade agreement canada mexico enter force 1994 2001 entry china world trade organization cause massive u.s. factory job losses chao 63 labor secretary president george w. bush eight years first asian-american woman hold cabinet position chao director ingersoll rand news corp vulcan materials company marry u.s. senate majority leader mitch mcconnell republican kentucky health human service secretary u.s. representative tom price price 62 orthopedic surgeon head house representatives budget committee representative georgia since 2005 price criticize obamacare champion plan tax credit expand health save account lawsuit reform replace oppose abortion u.s. ambassador unite nations governor nikki haley haley 44-year-old republican governor south carolina since 2011 little experience foreign policy federal government daughter indian immigrants haley lead successful push last year remove confederate battle flag ground south carolina state capitol kill nine black churchgoers charleston white gunman devos 58 billionaire republican donor former chair michigan republican party advocate privatization education chair american federation children push state level vouchers families use send children private school expansion charter school sessions 69 first u.s. senator endorse trump presidential bid close ally since son country-store owner senator alabama former federal prosecutor long take tough stance illegal immigration oppose path citizenship undocumented immigrants carson 65 retire neurosurgeon drop republican presidential nominate race march throw support trump popular writer speaker conservative circle carson previously indicate reluctance take position incoming administration lack experience federal government carson first african-american pick cabinet spot trump national security adviser retire lieutenant general michael flynn flynn 57 early supporter trump serve vice chairman transition team begin u.s. army career 1981 serve deployments afghanistan iraq flynn become head defense intelligence agency 2012 president barack obama retire year early expect accord media report become fierce critic obama foreign policy pompeo 52 third-term congressman kansas serve house representatives intelligence committee oversee cia national security agency cyber security retire army officer harvard law school graduate pompeo support u.s. government sweep collection americans communications data want scrap nuclear deal iran factbox trump fill top job administration