Stand-ins for President-elect Donald Trump, his family and other dignitaries attend an Inauguration rehearsal on the West Front of the U.S. Capitol in Washington, D.C., on Sunday, January 15, 2017. Donald Trump will take the oath of office as the 45th president on Friday, January 20, 2017.

President-elect Donald Trump has started to piece together his Cabinet and other advisers, selecting both friends and former critics to some of the nation's highest offices. Here's a look at the offices the incoming president has filled so far.

Sen. Jeff Sessions (R-AL) testified during a Senate Judiciary Committee confirmation hearing on Capitol Hill on January 10, 2017. Sessions was nominated by President-elect Donald Trump to the role of secretary of the Department of Justice.

President-elect Donald Trump continues to meet with potential members of his new administration, both at Trump Tower and at Trump International Golf Club, in Bedminster, N.J., as transition talks continue apace.

In a brief speech to her supporters, Hillary Clinton conceded the presidential election saying she hoped Donald Trump would "be a successful president for all Americans."

Millions of Americans head to the polls on Tuesday, November 8, 2016, to choose the nation's 45th president. At the end of the night, only one will emerge victorious, either Hillary Clinton or Donald Trump.

Donald Trump did what no one thought he could, he saw off established Republican politicians and claimed the GOP presidential nomination for himself. He then took on the established and experienced Hillary Clinton and beat her to the presidency. He couldn't have done it alone though - so here's a look at the 'silent majority" that propelled him to victory.

Supporters of Republican presidential candidate Donald Trump settle in as they watch the returns come in on Election Day of the 2016 U.S. Presidential Election at the New York Hilton Midtown on November 8, 2016.

Supporters of Democratic presidential candidate Hillary Clinton watch closely as returns filter in during an election night rally at the Javits Center in New York City on November 8, 2016.

After campaigning in Pittsburgh earlier in the day, November 7, 2016, Hillary Clinton took her message to Philadelphia, where she met up with President Obama and her supporters were serenaded by Jon Bon Jovi and Bruce Springsteen.

Republican presidential candidate Donald Trump and his vice presidential pick Mike Pence rally with supporters at the SNHU Arena in Manchester, N.H. on November 7, 2016

President Obama and Stevie Wonder campaign for Hillary Clinton at Osceola County Stadium in Kissimmee, Fla. on November 6, 2016. The president stressed the need for people to get out and vote on election day.

LeBron James of the Cleveland Cavaliers takes the stage with Democratic presidential candidate Hillary Clinton during a campaign rally in Cleveland on November 6, 2016.

Democratic presidential candidate Hillary Clinton and singer-songwriter Katy Perry rallied supporters in Philadelphia on Saturday, November 5, 2016.

Democratic presidential candidate Hillary Clinton was joined by billionaire Mark Cuban and former Steelers legends Mel Blount and Franco Harris as she campaigned at the Fedex Great Hall inside of Heinz Field during a campaign stop on November 4, 2016 in Pittsburgh.

Jennifer Lopez and Marc Anthony perform for Democratic presidential nominee Hillary Clinton during a GOTV rally at Bayfront Park Amphitheater in Miami on October 29, 2016. Clinton went over the importance of this election and encouraged supporters to get out and vote early.

Republican presidential candidate Donald Trump is joined by his family as they officially open the Trump International Hotel in Washington, D.C. on October 26, 2016.

Residents of Florida, the nation's largest battleground state with 29 electoral votes, began early voting on Monday, October 24, 2016, as the country settles into the final two weeks of the 2016 presidential election.

Democratic presidential nominee Hillary Clinton was joined on the campaign trail by and Sen. Elizabeth Warren, (D-MA), during a rally at Saint Anselm College in Goffstown, N.H. on October 24, 2016.

While President Obama shared the stage with DJ Khaled while campaigning for Hillary Clinton in Florida, first lady Michelle Obama was introduced by Carolyn Goldwater Ross, granddaughter of 1964 Republican presidential candidate Barry Goldwater, during an event in Arizona.