President-elect Barack ObamaBarack Hussein ObamaWall Street backed Biden campaign with million in 2020 cycle: report Obama, Biden to campaign together in Michigan The Hill's 12:30 Report - Presented by Facebook - Tech execs testify on platforms' liability MORE and Vice President-elect Joe BidenJoe BidenHillary Clinton responds to Chrissy Teigen tweet: 'I love you back' Supreme Court rejects Trump effort to shorten North Carolina mail-ballot deadline Overnight Defense: Trump campaign's use of military helicopter raises ethics concerns | Air Force jets intercept aircraft over Trump rally | Senators introduce bill to expand visa screenings MORE will announce members of their national security team tomorrow morning at a news conference in Chicago, according to Obama's transition team.

Obama is expected to name Sen. Hillary Rodham Clinton (D-N.Y.) as secretary of state and Defense Secretary Robert Gates to stay on in his current job, though it is unclear what positions Obama and Biden will announce tomorrow.

The news conference is slated to begin at 10:40 a.m. Eastern at the downtown Chicago Hilton.