Nonito Gonzales Donaire Jr. is a Filipino-American professional boxer. He is a former four-weight world champion, having held the IBF flyweight title from 2007 to 2009; the unified WBC and WBO bantamweight titles in 2011; the IBF super bantamweight title in 2012; the WBO super bantamweight title twice, from 2012 to 2013 and 2015 to 2016; and the WBA featherweight title in 2014.