Ohio Gov. John Kasich speaks at the First in the Nation Republican Leadership Summit on April 18, 2015, in Nashua, New Hampshire. The summit was attended by all the 2016 Republican candidates as well as those eying a run for the nomination. Click through for more on the political career of Kasich:
Darren McCollester/Getty Images
Kasich speaks during the Republican National Convention at the Tampa Bay Times Forum on August 28, 2012, in Florida.
Spencer Platt/Getty Images
Kasich, left, and then-Republican presidential candidate Mitt Romney talk with students during a roundtable discussion at Otterbein University on April 27, 2012 in Westerville, Ohio. Romney eventually won the 2012 GOP presidential nomination.
Jay LaPrete/Getty Images
Kasich, left, President Barack Obama, center, and Republican House Speaker John Boehner play the first hole of a golf game on June 18, 2011, at Andrews Air Force Base in Maryland.
MANDEL NGAN/AFP/Getty Images
Kasich listens to Obama speak during a bipartisan meeting of governors hosted by the President and Vice President Joe Biden in the State Dining Room of the White House on February 28, 2010.
Ron Sachs-Pool/Getty Images
Before officially taking office as governor of Ohio, Kasich talks with reporters after meeting with House and Senate Republican leaders at the U.S. Capitol on December 1, 2010. The GOP leaders talked about ways to create jobs, cut spending and repeal the health care law.
Chip Somodevilla/Getty Images
Kasich, right, then a member of the U.S. House, sports "Bush" baseball caps with Texas Gov. George W. Bush on July 14, 1999. The two lawmakers held a news conference at the Ronald Reagan International Trade Center in Washington during Bush's presidential run. Kasich had previously announced that he was withdrawing from the 2000 presidential race and endorsed Bush.
WILLIAM PHILPOTT/AFP/Getty Images
U.S. Rep. Kasich delivers a speech in the Watergate complex in Washington on July 9, 1999, during the College Republican National Committee 53rd Biennial Convention. Other speakers included Republican 2000 presidential hopefuls such as Gary Bauer and Elizabeth Dole.
PAUL J. RICHARDS/AFP/Getty Images
During a U.S. government shutdown, Kasich, left, and Sen. Pete Domenici, R-New Mexico, speak to reporters outside the White House on January 6, 1996.
JOYCE NALTCHAYAN/AFP/Getty Images
Kasich shows a videotape of President Bill Clinton speaking during a news conference on Capitol Hill on December 16, 1995. Kasich was chairman of the House Budget Committee at the time and disputed Clinton's position on the budget.
PAMELA PRICE/AFP/Getty Images
Kasich, center, shows a thank you note in the form of a check to Speaker of the House Newt Gingrich, left, and Senate Majority Leader Robert Dole (right) on November 17, 1995, in Washington. They were soon engaged in bruising battles with President Bill Clinton over the federal budget.