Carly Fiorina is the former CEO of Hewlett Packard and as such, was the first woman to lead a Fortune 20 company. On May 4, 2015, she announced her candidacy for the 2016 Republican presidential primary.
Fiorina received her undergraduate degree from Stanford, and earned business degrees from MIT and the University of Maryland. After surviving breast cancer (Fiorina was diagnosed and treated in 2009), she ran for U.S. Senate in 2010, and was defeated by incumbent Democrat Barbara Boxer.
Fiorina made her announcement with this tweet: