Mikaela Mayer

Mikaela Joslin Mayer (born July 4, 1990) is an American professional boxer.

Between 2003 and 2005, Mayer played bass in a heavy metal band Lia-Fail; the band included Nita Strauss.

As an amateur she won a bronze medal at the 2012 World Championships and competed for the U.S. at the 2016 Olympics.

As of February 2021, she is ranked as the world's second best active female super featherweight by BoxRec and third by The Ring, as well as the tenth best active female, pound for pound, by The Ring.

Mayer competed internationally as part of Team USA in the women's 60 kg category at the 2016 Rio Summer Olympics.

She defeated Jennifer Chieng in the Round of 16 before being eliminated in the quarterfinal by Russian Anastasia Belyakova, who took a majority decision.

After signing with Top Rank, Mayer made her debut in August 2017.

She defeated Widnelly Figueroa by knockout in one round.

She is a former unified super featherweight world champion, holding the WBO female title since 2020 and the IBF female title since November 2021, before losing both in October 2022.