Veteran diplomat Antony Blinken is Biden's top choice for Secretary of State

Geoff Bennett, Carol E. Lee and Amanda Golden
Anthony Blinken attends a press conference about the 2016 annual report on international religious freedom at the U.S. Department of State August 10, 2016 in Washington, DC.
Brendan Smialowski | AFP | Getty Images

Veteran diplomat and longtime Biden foreign policy adviser Antony "Tony" Blinken is President-elect Joe Biden's top choice to serve as Secretary of State, multiple sources told NBC News.

A transition official said that Blinken is the most likely candidate for the position but couldn't confirm until Biden's announcement.

Blinken's top government roles include serving as deputy national security adviser from 2013 to 2015 under former President Barack Obama and as deputy secretary of state from 2015 to 2017.

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NBC News previously reported Blinken was a favorite for Secretary of State.

A source familiar told NBC News that Biden's first Cabinet selections will be in the diplomacy and national security realm.

Incoming White House chief of staff Ron Klain said Sunday that Biden will begin announcing his Cabinet picks on Tuesday.