Mikaela Mayer

Mikaela Joslin Mayer is an American professional boxer, who has held WBO welterweight title since September 2024. She is also a former unified female super-featherweight world champion, having held the WBO and the IBF titles simultaneously. She has also held the interim WBC female lightweight world title. As an amateur, she won a bronze medal at the 2012 World Championships and competed for the U.S. at the 2016 Olympics.