Meet Marco Rubio, the senator making a 2016 bid for president

  • Marco Rubio, left, sits with his son Dominic, 2, and wife Jeanette during a ceremony at which he signed a document declaring his candidacy in the Florida GOP primary for the U.S. Senate in West Miami,. Fla., April 27, 2010.
  • Jeanette Rubio, the wife of Republican Senate candidate Marco Rubio, walks with him after voting at an early voting location on Oct. 22, 2010 in Hialeah, Fla. Rubio was the front-runner in the Florida Senate race against his opponents, Independent candidate and Florida Gov. Charlie Crist and Democratic candidate Rep. Kendrick Meek.
  • Republican Senate candidate Marco Rubio arrives during a visit to a campaign volunteer center on Nov. 1, 2010, in Hialeah, Fla. Rubio was the front-runner as campaigning came to an end in the Florida Senate race against his opponents, Independent candidate Charlie Crist and Democratic candidate Rep. Kendrick Meek.
  • Republican nominee for Florida U.S. Senator Marco Rubio (C) stands with his mother Oria Rubio (R) during his “Reclaim America Victory Celebration” at the Biltmore Hotel on Nov. 2, 2010, in Coral Gables, Fla. Rubio clinched the Florida Senate seat against his opponents, Independent candidate and Florida Gov. Charlie Crist and Democratic candidate Rep. Kendrick Meek.
  • Supporters of Republican Senate candidate Marco Rubio celebrate during a election night victory party at The Biltmore Hotel in the Coral Gables area of Miami, Nov. 2, 2010. Conservatives and tea party members supported candidate Marco Rubio, has defeated Gov. Charlie Crist, who ran as an Independent, and Kendrick Meek, the Democratic candidate, in the Florida Senate race.
  • Sen. Marco Rubio, R-Fla., and his sons Anthony, 5, right, and Dominic, 3, make their way to a swearing in ceremony for the 112th Congress in the Old Senate Chamber, Jan. 5, 2011. The senators were sworn in on the Senate floor and then proceeded to the Old Senate Chamber for a mock swear in.
  • U.S. Republican presidential candidate and former Massachusetts Gov. Mitt Romney stands alongside Florida Republican Sen. Marco Rubio as he pretends to throw an orange to members of the press who are sitting in the back of the campaign plane while in flight from St. Augustine, Florida, to Miami for campaign events on Aug. 13, 2012.
  • U.S. Sen. Marco Rubio, R-Fla., speaks during Iowa Gov. Terry Branstad’s annual birthday fundraiser, Nov. 17, 2012, in Altoona, Iowa.
  • U.S. Sen. Marco Rubio waits with his mother-in-law Maria Elena Fleites (L), son Anthony, daughter Amanda, son Dominic, wife Jeanette, and mother Oria for the Senate Subway, a ceremonial swearing-in in the Old Senate Chamber of Capitol Hill, Jan. 5, 2011 in Washington, D.C. Returning senators and freshman were sworn in as the 112th Congress began its session after the 2010 midterm elections.
  • Sen. Marco Rubio (R-FL) waits in his vehicle for the arrival of Craig Romney, the son of Republican presidential candidate and former Massachusetts Gov. Mitt Romney, for a Mitt Romney campaign rally at Florida International University in Miami, Florida, on Oct. 12, 2012 in Miami, Fla. 
  • Former Republican presidential candidate and Massachusetts Gov. Mitt Romney followed by Florida Senate candidate Rep. Connie Mack, Sen. Marco Rubio, and former Florida Gov. Jeb Bush as they arrive in Miami for a Romney campaign event, Oct. 31, 2012.
  • Republican senator from Florida Marco Rubio speaks at the 40th Annual Conservative Political Action Conference (CPAC) at the Gaylord National Resort & Convention Center in National Harbor, Md., March 14, 2013.
  • Republican senators, from left, Pat Toomey of Pennsylvania, Tim Scott of South Carolina, and Marco Rubio of Florida, leave from the North Portico of the White House in Washington, D.C., Oct. 11, 2013, after meeting with President Barack Obama regarding the government shutdown and debt ceiling.
  • Sen. Marco Rubio, R-Fla. center, smiles from inside an elevator as he leaves reporters who were following him after he spoke at the Faith and Freedom Coalition Road to Majority Conference in Washington, June 13, 2013.
  • Sen Marco Rubio (R-FL} addressed the Conservative Political Action Conference in National Harbor, Md., on March 6, 2014.
  • Sen. Marco Rubio, second from left, R-Fla., greets a baby and mom before a Republican fundraiser, Oct. 14, 2014, in Fargo, N.D. Sen. John Hoeven, left, R-N.D., brought him to North Dakota for the campaign stop.
  • Sen. Marco Rubio (R-Fla.) speaks at the Conservative Political Action Conference in National Harbor, Md., Feb. 27, 2015.

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Sen. Marco Rubio (R-Fla.) told donors Monday morning that he is running for president in 2016 and that he is “uniquely qualified” to be the GOP nominee, a campaign source in Miami confirmed to msnbc.

Rubio is set to officially announce his campaign for president Monday at 6 p.m. in his hometown of Miami, adding his name to a growing list of official candidates that includes Sens. Rand Paul (R-Ky.) and Ted Cruz (R-Texas) on the GOP side and former Secretary of State Hillary Clinton on the Democratic side.

Rubio made his name in 2010 by knocking out moderate Republican Gov. Charlie Crist in Florida’s senate primary, an upset that showcased the growing power of the tea party movement ahead of the GOP’s blowout midterm election. He’s widely considered a top tier contender for the Republican nomination, but will face plenty of tough competition, including from fellow Floridian and onetime political mentor Jeb Bush.  

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