See Carly Fiorina's Career in Photographs

Carly Fiorina during a news conference on Dec. 31, 1999 at HP headquarters in Palo Alto, Calif.

Carly Fiorina rang a bell to virtually open the New York Stock Exchange from HP's headquarters on May 6, 2002 in Palo Alto, Calif.

Carly Fiorina, as an adviser to Republican presidential candidate Sen. John McCain, works inside the "Straight Talk Express" on April 24, 2008 in New Orleans.

Carly Fiorina, listens as Sen. John McCain speaks during a town hall-style meeting on May 20, 2008 in Miami.

Carly Fiorina holds a roundtable discussions with reporters in on Nov. 18, 2009 in Washington.

Carly Fiorina and her husband Frank take a tour with Earthfriendly Products vice president, Kelly Vlahakis-Hanks, right, on Nov. 4, 2009, in Garden Grove, Calif.

Carly Fiorina talks to a potential voter during her visit to a phone bank during her Senate campaign on June 5, 2010 in Gold River, Calif.

Meg Whitman, left center, winner of the Republican nomination for governor of California, and Carly Fiorina, the GOP nominee for the U.S. Senate from California, are joined by Lt. Gov. Abel Maldonado, left, and California state senator Tony Strickland as they celebrate at a post-primary election celebration on June 9, 2010 in Anaheim, Calif.

Carly Fiorina listens to a group of small business owners during a press conference on June 24, 2010 in San Francisco.

Barbara Boxer speaks as Republican challenger Carly Fiorina looks on during a debate on the campus of Saint Mary's College on Sept. 1, 2010 in Moraga, Calif.

Gabriel Lerner, center, asks Carly Fiorina, left, a question during the debate with Barbara Boxer who is in Washington, on Sept. 29, 2010 in Pasadena.

Carly Fiorina leaves with her husband, Frank, after she campaigned on Oct. 29, 2010 in Menlo Park, Calif.

Carly Fiorina speaks to senior citizens at Leisure World on Oct. 30, 2010 in Seal Beach, Calif.

Carly Fiorina at CPAC on Feb. 26, 2015 in National Harbor, Md.

Carly Fiorina leaves Clear Creek Amana High School after speaking on April 24, 2015 in Tiffin, Iowa.

Carly Fiorina on June 6, 2015 in Boone, Iowa.

Carly Fiorina, shakes hands with employees during a tour of Cirtronics on June 10, 2015, in Milford, N.H.

Carly Fiorina greets fairgoers during a visit to the Iowa State Fair, on Aug. 17, 2015, in Des Moines, Iowa.

Carly Fiorina marches with her family in the Labor Day parade on Sept. 7, 2015 in Milford, N.H.

Carly Fiorina mingles amid the crowd following the Presidential debate on Sept. 16, 2015 in Simi Valley, Calif.

Carly Fiorina speaks to the media after a national security forum on Sept. 22, 2015 in Charleston, S.C.

Carly Fiorina speaks on Sept. 18, 2015 in Greenville, S.C.